A regression model involved 5 independent variables and 126 observations.
Get college assignment help at Smashing Essays Question A regression model involved 5 independent variables and 126 observations. The critical value of t for testing the significance of each of the independent variable’s coefficients will have
Complete the Problem beginning on page 463 of your text titled “Problem:
Complete the Problem beginning on page 463 of your text titled “Problem: Economic Credentialing” in a one to two page paper. Submit the completed assignment to your instructor. See page 369 for a general description of Marcus Welby Hospital.You are the lawyer for Marcus Welby Community Hospital. The administrator approaches you about how to amend the bylaws so that the hospital can get rid of doctors who are costing the hospital too much money under Medicare and HMO insurance. The administrator is concerned about which removal actions can be defended in court and which bylaw amendments are politically feasible with physicians. Advise the administrator on each of these options:• Amend the Hospital Bylaws to give the hospital board authority to remove doctors from the medical staff for any reason, regardless of the medical staff’s own recommendations, as long as the medical staff is first consulted.• Amend the Medical Staff Bylaws to declare that an additional criterion for medical staff membership is to practice an efficient style of medicine that avoids wasting medical resources or providing unnecessary care.• Forget about amending any bylaws. Instead, go after physicians who are economic losers based on their general medical competence and their unwillingness to be cooperative.• Keep but supplant the entire medical staff structure by limiting who can practice in each department through one-year renewable contracts with the 200 best doctors out of the present 300.Note that the assignment asks you to comment on each of the options, not just one. You may comment on one option being better than another for some reason, but be sure to comment on all the options. Support your advice with material from the text.
8) Jim Mead is a veterinarian who visits a Vermont
Question 8) Jim Mead is a veterinarian who visits a Vermont farm to examine prize bulls. In order to examine a bull, Jim first gives the animal a tranquilizer shot. The effect of the shot is supposed to last an average of 65 minutes, and it usually does. However, Jim sometimes gets chased out of the pasture by a bull that recovers too soon, and other times he becomes worried about prize bulls that take too long to recover. By reading journals, Jim has found that the tranquilizer should have a mean duration time of 65 minutes, with a standard deviation of 15 minutes. A random sample of 12 of Jim’s bulls had a mean tranquilized duration time of close to 65 minutes but a standard deviation of 23 minutes. At the 1% level of significance, is Jim justified in the claim that the variance is larger than that stated in his journal? Find a 95% confidence interval for the population standard deviation.Q. Find the value of the chi-square statistic for the sample. (Round your answer to two decimal places.) ? Q. Find the requested confidence interval for the population standard deviation. (Round your answers to two decimal place.) lower limit ? min upper limit ? min A new thermostat has been engineered for the frozen food cases in large supermarkets. Both the old and new thermostats hold temperatures at an average of 25°F. However, it is hoped that the new thermostat might be more dependable in the sense that it will hold temperatures closer to 25°F. One frozen food case was equipped with the new thermostat, and a random sample of 21 temperature readings gave a sample variance of 4.6. Another similar frozen food case was equipped with the old thermostat, and a random sample of 15 temperature readings gave a sample variance of 13.1. Test the claim that the population variance of the old thermostat temperature readings is larger than that for the new thermostat. Use a 5% level of significance. How could your test conclusion relate to the question regarding the dependability of the temperature readings? (Let population 1 refer to data from the old thermostat.) Q. Find the value of the sample F statistic. (Round your answer to two decimal places.) ?A new fuel injection system has been engineered for pickup trucks. The new system and the old system both produce about the same average miles per gallon. However, engineers question which system (old or new) will give better consistency in fuel consumption (miles per gallon) under a variety of driving conditions. A random sample of 41 trucks were fitted with the new fuel injection system and driven under different conditions. For these trucks, the sample variance of gasoline consumption was 52.1. Another random sample of 26 trucks were fitted with the old fuel injection system and driven under a variety of different conditions. For these trucks, the sample variance of gasoline consumption was 38.2. Test the claim that there is a difference in population variance of gasoline consumption for the two injection systems. Use a 5% level of significance. How could your test conclusion relate to the question regarding the consistency of fuel consumption for the two fuel injection systems?Q. Find the value of the sample F statistic. (Round your answer to two decimal places.)?
Question:8.1 For each of the following, assume that the sample
Question Question:8.1 For each of the following, assume that the sample was selected from a population with μ = 75 and σ = 20. a. What do you expect the value of M to be in a perfect world with no sampling error, if you have a sample of n = 4 scores? b. What is the standard error of M for a sample of n = 4 scores? c. What do you expect the value of M to be in a perfect world with no sampling error, if you have a sample of n = 25 scores? d. What is the standard error of M for a sample of n = 25 scores? 8.2 A population has a mean of μ = 80 and a standard deviation of σ = 10. a. If you select a random sample of n = 4 scores from this population, how much error would you expect between the sample mean and the population mean? b. If you select a random sample of n = 25 scores from this population, how much error would you expect between the sample mean and the population mean? c. How much error would you expect for a sample of n = 100 scores? 8.3 Welsch, Davis, Burke, and Williams (2002) conducted a study to evaluate the effectiveness of a carbohydrate-electrolyte drink on sports performance and endurance. Experienced athletes were given either a carbohydrate-electrolyte drink or a placebo while they were tested on a series of high-intensity exercises. One measure was how much time it took for the athletes to run to fatigue. Data similar to the results obtained in the study are shown in the following table: Time to run to fatigue (in minutes) Group Mean SE (standard error) Placebo 21.7 2.2Carbohydrate-electrolyte 28.6 2.7 a. Construct a bar graph that incorporates all of the information in the table. b. Looking at your graph, do you think that the carbohydrate-electrolyte drink helps performance?
E4)Do heavier cars really use more gasoline? Suppose a car
Question E4)Do heavier cars really use more gasoline? Suppose a car is chosen at random. Let x be the weight of the car (in hundreds of pounds), and let y be the miles per gallon (mpg). x 27 42 32 47 23 40 34 52 y 33 19 24 13 29 17 21 14 Complete parts (a) through (e), given Σx = 297, Σy = 170, Σx2 = 11,715, Σy2 = 3962, Σxy = 5857, and r ≈ −0.926.Q. Find x, and y. Then find the equation of the least-squares line = a bx. (Round your answers for x and y to two decimal places. Round your answers for a and b to three decimal places.) x = ?y = ? = a b x ?Q. Find the value of the coefficient of determination r2. What percentage of the variation in y can be explained by the corresponding variation in x and the least-squares line? What percentage is unexplained? (Round your answer for r2 to three decimal places. Round your answers for the percentages to one decimal place.) r2 = ?explained ? % unexplained ? % Q. Suppose a car weighs x = 30 (hundred pounds). What does the least-squares line forecast for y = miles per gallon? (Round your answer to two decimal places.) ? mpg
ex)4Let x be the average number of employees in a
Question ex)4Let x be the average number of employees in a group health insurance plan, and let y be the average administrative cost as a percentage of claims. x 3 7 15 31 74 y 40 35 30 26 16Q. Would you say the correlation is low, moderate, or strong? positive or negative?1. moderate and positive 2.low and negative 3.moderate and negative 4.low and positive 5.strong and positive which numbers are correct?Q. Use a calculator to verify that Σx = 130,Σx2 = 6720,Σy = 147,Σy2 = 4657, and Σxy = 2805. Compute r. (Round your answer to three decimal places.)r = ? Q. As x increases, does the value of r imply that y should tend to increase or decrease? Explain.which one is correct?1. Given our value of r, y should tend to remain constant as x increases. 2.Given our value of r, y should tend to decrease as x increases. 3.Given our value of r, y should tend to increase as x increases. 4.Given our value of r, we cannot draw any conclusions for the behavior of y as x increases. strong and negative
Complete the assignment beginning page 492 titled “Exercise: Negotiating a Managed
Complete the assignment beginning page 492 titled “Exercise: Negotiating a Managed Care Contract” in a one to two page paper. Submit the assignment to your instructor. For a general description of Marcus Welby Hospital see page 369 of the text. The assignment below makes some adaptations to the text to clarify expectations for your paper.One of Marcus Welby Hospital ‘s (MWH) competitors established a successful IPA-model HMO two years ago. Fearing loss of patients, MWH is forming the Marcus Welby Managed Care Network (the Network). The objective is to sign up a number of physicians, mainly in primary care but also in common specialties, and then to market this network to these two sources: () large employers who provide health insurance to their workers on a self-insured basis; and 2) large regional or national insurance companies (such as Blue Cross) who then offer the network to their customers.The Network is approaching each physician group individually and asking them to sign up nonexclusively, leaving them free to sign up with other networks or HMOs. The contract excerpts on pages 493 and following contain some common sticking points in these negotiations. Read each pairing of contract options and determine what is at stake. Then, assume the position of lawyer/negotiator for either (a) the Network or (b) a physician group who wants to sign up but is concerned about the details.• Write in your paper what you would say in a meeting with a representative from the other side and• Describe how you would hammer out a deal, either adopting one version or the other, or making any changes you want.• You must therefore be able to write clearly about what the concerns of the other side would be.• Cite when appropriate.
ex4)The following table shows ceremonial ranking and type of pottery
Question ex4)The following table shows ceremonial ranking and type of pottery sherd for a random sample of 434 sherds at an archaeological location. Ceremonial Ranking Cooking Jar Sherds Decorated Jar Sherds (Noncooking) Row Total A 88 47 135 B 93 52 145 C 75 79 154 Column Total 256 178 434 Use a chi-square test to determine if ceremonial ranking and pottery are independent at the 0.05 level of significance. State the null and alternate hypotheses.which one is correct one? H0: Ceremonial ranking and potteryar independent.H1: Ceremonial ranking and pottery are not independent. H0: Ceremonial ranking and potteryar not independent.H1: Ceremonial ranking and pottery are independent. H0: Ceremonial ranking and pottery are not independent.H1: Ceremonial ranking and pottery are not independent. H0: Ceremonial ranking and pottery are independent. H1: Ceremonial ranking and pottery are independent. Q. Find the value of the chi-square statistic for the sample. (Round the expected frequencies to at least three decimal places. Round the test statistic to three decimal places.) ? Q. Are all the expected frequencies greater than 5? Yes or No What sampling distribution will you use?which one is correct one?normal chi-square uniform Student’s t binomial Q. What are the degrees of freedom ? Q.Find or estimate the P-value of the sample test statistic. (Round your answer to three decimal places.) p-value > 0.100 0.050 < p-value < 0.100 0.025 < p-value < 0.050 0.010 < p-value < 0.025 0.005 < p-value < 0.010 p-value α, we fail to reject the null hypothesis. Since the P-value > α, we reject the null hypothesis. Since the P-value ≤ α, we reject the null hypothesis. Since the P-value ≤ α, we fail to reject the null hypothesis. Q. Interpret your conclusion in the context of the application.which one is correct?At the 5% level of significance, there is sufficient evidence to conclude that ceremonial ranking and pottery are not independent. orAt the 5% level of significance, there is insufficient evidence to conclude that ceremonial ranking and pottery are not independent.
ex)4Let x = age in years of a rural Quebec
Question ex)4Let x = age in years of a rural Quebec woman at the time of her first marriage. In the year 1941, the population variance of x was approximately σ2 = 5.1. Suppose a recent study of age at first marriage for a random sample of 31 women in rural Quebec gave a sample variance s2 = 2.8. Use a 5% level of significance to test the claim that the current variance is less than 5.1. Find a 90% confidence interval for the population variance. State the null and alternate hypotheses.which one is correct? Ho: σ2 = 5.1; H1: σ2 > 5.1 Ho: σ2 < 5.1; H1: σ2 = 5.1 Ho: σ2 = 5.1; H1: σ2 ≠ 5.1 Ho: σ2 = 5.1; H1: σ2 0.100 0.050 < P-value < 0.100 0.025 < P-value < 0.050 0.010 < P-value < 0.025 0.005 < P-value < 0.010 P-value α, we fail to reject the null hypothesis. Since the P-value > α, we reject the null hypothesis. Since the P-value ≤ α, we reject the null hypothesis. Since the P-value ≤ α, we fail to reject the null hypothesis. Q. Interpret your conclusion in the context of the application.which one correct? At the 5% level of significance, there is insufficient evidence to conclude that the variance of age at first marriage is less than 5.1. At the 5% level of significance, there is sufficient evidence to conclude that the that the variance of age at first marriage is less than 5.1. Q. Find the requested confidence interval for the population variance. (Round your answers to two decimal places.) lower limit ? upper limit ? Interpret the results in the context of the application.which one is correct? We are 90% confident that σ2 lies outside this interval. We are 90% confident that σ2 lies within this interval. We are 90% confident that σ2 lies below this interval. We are 90% confident that σ2 lies above this interval.
The Wind Mountain excavation site in New Mexico is an
Question The Wind Mountain excavation site in New Mexico is an important archaeological location of the ancient Native American Anasazi culture. The following data represent depths (in cm) below surface grade at which significant artifacts were discovered at this site (Reference: A.I. Woosley and A.J. McIntyre, Mimbres Mogollon Archaeology, University of New Mexico Press). 85 45 75 60 90 90 115 30 55 58 78 120 80 65 65 140 65 50 30 125 75 137 80 120 15 45 70 65 60 45 95 70 70 28 40 125 105 75 80 70 90 68 73 75 55 70 95 65 200 75 15 90 46 33 100 65 60 55 85 50 10 68 99 145 45 75 45 95 85 65 65 52 82 For this problem, use seven classes. (a) Find the class width.(b) Make a frequency table showing class limits, class boundaries, midpoints, frequencies, relative frequencies, and cumulative frequencies. (Give relative frequencies to 4 decimal places.)(c) Draw a histogram. (d) Draw a relative-frequency histogram. (e) Categorize the basic distribution shape.Can someone show me step-by-step through this question? I had some of the basics down but I need help putting it all together.
In the context of their hypothesis test, discuss what the
Get college assignment help at Smashing Essays Question In the context of their hypothesis test, discuss what the Type I Error and Type II Error would mean using a Decision Table as your guide. What level of significance would you suggest based on what a Type I Error or Type II Error would mean?Null hypothesis, H0: μ = 2.5 hoursAlternate hypothesis, Ha: μ < 2.5 hoursAccording to the FTC the respondents claimed via their website that the "Aromaflage" sprays were "as effective as 25% DEET over 2.5 hours." This complaint centers around the claim that these products have been scientifically proven to work as they are being advertised.https://www.ftc.gov/news-events/press-releases/2018/05/ftc-halts-deceptive-mosquito-repellent-claims-aromaflage-perfumeThey are claiming that the mean time for mosquito protection is over 2.5 hours.
In apa format write a 5 page paper to address the following:
In apa format write a 5 page paper to address the following:
Use the Problem beginning on page 560 as the basis for this
Use the Problem beginning on page 560 as the basis for this discussion. Discuss with your fellow students whether the network described in the Problem would likely be challenged by the federal government.Base your discussion on material from the text and your own experience. Cite sources when necessary. Remember to write 150 words in complete sentences.
A random sample of 1500 workers in a particular city
Question A random sample of 1500 workers in a particular city found 420 workers who had full health insurance coverage. Find a 95% confidence interval for the true percent of workers in this city who have full health insurance coverage.Please Express your results to the nearest hundredth of a percent.Answer: ________% to __________%
A random sample of 1700 adults in Flagstaff found 306
Question A random sample of 1700 adults in Flagstaff found 306 adults who had lost a job in the past year. Find a 95% confidence interval for the true percent of adults in Flagstaff who have lost a job in the past year. Please Express your results to the nearest hundredth of a percent. .Answer: ______% to ______%
One particular morning, the length of time spent in the
Question One particular morning, the length of time spent in the examination rooms is recorded for each style=”color:rgb(26,117,255);”>patient seen by each physician at an orthopedic clinic. Time in Examination Rooms (minutes)Physician 1Physician 2Physician 3Physician 435341928223730322930313131332728284231313533293523 2639 29 Click here for the Excel Data File Fill in the missing data. (Round your p-value to 4 decimal places, mean values to 1 decimal place, and other answers to 3 decimal places.) TreatmentMeannStd. DevPhysician 1 Physician 2 Physician 3 Physician 4 Total One-Factor ANOVASourceSSdfMSFp-value Treatment Error Total (a)Based on the given hypotheses, choose the correct option. H0: μ1 = μ2 = μ3 = μ4 H1: Not all the means are equal α = 0.05 Reject the null hypothesis if F > 3.01Reject the null hypothesis if F < 3.01 (b)Calculate the F for one factor. (Round your answer to 2 decimal places.) F for one factor is (c)On the basis of the above findings, we reject the null hypothesis. Is the statement true? NoYes
A fair coin is tossed 12 times. Which of the
Question A fair coin is tossed 12 times. Which of the following outcomes (i, ii, iii, or iv) is most likely? />(i)H T H T H T H T H T H T(ii)H T T H H T T H T H H T(iii)H H H H H H H H H H H H(iv)T T T H T H H H H T H H (ii) because there are an equal number of heads and tails but in a random order (i) because there are an equal number of heads and tails. (iv) because you won’t necessarily get the same number of heads and tails with a fair coin They are all equally likely. (iii) because heads are just as likely as tailsQuestion 2In 2012, researchers working with a very large population of health records found that 9.3% of all Americans had diabetes (source: National Diabetes Statistics Report, 2014). Suppose a medical researcher randomly selects two individuals from a large population.Let A represent the event “the first individual has diabetes.”Let B represent the event “the second individual has diabetes.”True or false? A and B are independent events. True FalseQuestion 3For safety reasons, 3 different alarm systems were installed in the vault containing the safety deposit boxes at a Beverly Hills bank. Each of the 3 systems detects theft with a probability of 0.89 independently of the others.The bank, obviously, is interested in the probability that when a theft occurs, at least one of the 3 systems will detect it. What is the probability that when a theft occurs, at least one of the 3 systems will detect it? Your answer should be rounded to 5 decimal places.Question 4In a certain liberal arts college with about 10,000 students, 57% are males. If two students from this college are selected at random, what is the probability that they are of the same gender? Your answer should be rounded to 4 decimal places.Question 5According to the information that comes with a certain prescription drug, when taking this drug, there is a 17% chance of experiencing nausea (N) and a 45% chance of experiencing decreased sexual drive (D). The information also states that there is a 10% chance of experiencing both side effects.What is the probability of experiencing only nausea? Your answer should be rounded to two decimal places.Question 6According to the information that comes with a certain prescription drug, when taking this drug, there is a 20% chance of experiencing nausea (N) and a 50% chance of experiencing decreased sexual drive (D). The information also states that there is a 11% chance of experiencing both side effects.What is the probability of experiencing neither of the side effects? Your answer should be to two decimal places.Question 7According to the information that comes with a certain prescription drug, when taking this drug, there is a 24% chance of experiencing nausea (N) and a 42% chance of experiencing decreased sexual drive (D). The information also states that there is a 11% chance of experiencing both side effects.What is the probability of experiencing nausea or a decrease in sexual drive? Your answer should be rounded to 2 decimal places.Question 8An engineering school reports that 51% of its students are male (M), 37% of its students are between the ages of 18 and 20 (A), and that 32% are both male and between the ages of 18 and 20.What is the probability of a random student being chosen who is a female and is not between the ages of 18 and 20? Your answer should be to two decimal places.Question 9An engineering school reports that 58% of its students were male (M), 37% of its students were between the ages of 18 and 20 (A), and that 23% were both male and between the ages of 18 and 20.What is the probability of choosing a random student who is a female or between the ages of 18 and 20? Assume P(F) = P(not M). Your answer should be given to two decimal places.Question 10An engineering school reports that 53% of its students were male (M), 30% of its students were between the ages of 18 and 20 (A), and that 23% were both male and between the ages of 18 and 20.What is the probability of a random student being male or between the ages of 18 and 20? Your answer should be rounded to two decimal places.Question 11Let A and B be two independent events such that P(A) = 0.47 and P(B) = 0.43.What is P(A or B)? Your answer should be given to 4 decimal places.Question 12Let A and B be two independent events such that P(A) = 0.2 and P(B) = 0.7.What is P(A and B)? Your answer should be given to 2 decimal places.Question 13Let A and B be two disjoint events such that P(A) = 0.52 and P(B) = 0.2.What is P(A and B)? Question 14Let A and B be two disjoint events such that P(A) = 0.28 and P(B) = 0.52.What is P(A or B)? Question 15The following probabilities are based on data collected from U.S. adults. Individuals are placed into a weight category based on weight, height, gender and age.UnderweightHealthy WeightOverweight (not Obese)ObeseProbability0.0210.3710.3470.261Based on this data, what is the probability that a randomly selected U.S. adult weighs less than the overweight(but not obese) range? Your answer should be given to 3 decimal places.Question 16The probabilities for the amount that can be won on a lottery game are given in the table below. Find the missing probability X.Amount($)0123>3Probability0.530.27X0.040.01X =
Question 1Joe went to watch the Quakes play baseball at
Question Question 1Joe went to watch the Quakes play baseball at Epicenter stadium in Rancho Cucamonga. While he enjoyed the game, he also purchased some food. Consider whether some of the things he saw or did at the game that involve discrete or continuous variables. Which of the following is a true statement? Check all that apply. The batting average of Joe’s favorite player is a continuous variable. The number of hot dogs that Joe bought is a discrete variable. The number of strikeouts in the game is a continuous variable. The Quakes standings in the league is a discrete variable.Question 2Which of the following is a characteristic of a discrete random variable? It is something you both measure and count. It is something you count. It is something you measure.Question 3The random variable X, representing the number of items sold in a week, has the following probability distribution:x0123456P(X = x)0.100.200.400.150.050.050.05By the fourth day of a particular week, 3 items have already sold. What is the probability that there will be less than a total of 5 items sold during that week? 1.00 0.95 0.90 0.85 0.67Question 4According the the Pew Research Center, the probability of a randomly selected person living the United States identifying with a particular religious affiliation—Protestant Christian; Catholic Christian, Other Christian, Non-Christian (including Jewish, Muslim, Buddhist, Hindu and other religions); and Unaffiliated (the so-called “nones”)—is shown in the following chart.AffiliationProtestant ChristianCatholic ChristianOther ChristianNon-ChristianUnaffiliated “none”Probability0.4660.2080.0330.060.233Adapted from “America’s Changing Religious Landscape,” Pew Research Center, May 12, 2015, http://www.pewforum.org/religious-landscape-study/state/california/Assuming this data is accurate and stable, what is the probability that a randomly selected Christian living in the United States would identify as Catholic? 0.208 0.707 0.294 0.659Question 5The probability distribution for the number of defects during an 8-hour shift on the assembly line at Wanda’s Wooden Widgets is as shown in the chart below.x012345P(X = x)0.500.250.150.060.030.01What is the probability that in a given shift there will be at most 2 defects? 0.90 0.75 0.40 0.10 1.00Question 6The random variable X, representing the number of items sold in a week, has the following probability distribution:x0123456P(X = x)0.100.200.400.150.050.050.05What is the probability that in a given week there will be at most 4 items sold? 0.85 0.60 0.10 1.00 0.90Question 7The probability distribution for the number of defects during an eight hour shift on the assembly line at Wanda’s Wooden Widgets is as shown in the chart below.x012345P(X = x)0.500.250.150.060.030.01On average, how many defects are found during an 8-hour shift? 5.3 2.5 0.9 0.50 0.1667Question 8The following three histograms represent the probability distributions of the three random variables X, Y, and Z.Which of the three random variables has the largest standard deviation? X Y Z All three random variables have the same standard deviation.Question 9Select one answer.10 pointsDetermine if the following could be a probability distribution for a discrete random variable, X. If no, state why.X3691215P(X=x)4/92/91/91/91/9 Yes, the probabilities associated with each X are all positive and they all add up to 1. No, the probabilities do not add up to 1. Yes, the values of X are all positive. No, the values of X do not start at 1 and the probabilities do not add up to 1.Question 10Determine if the following could be a probability distribution for a discrete random variable, X. If no, state why.X20304050P(X=x)1.10.6.2.1 No, while the probabilities are all positive, the P(X=20)=1.1. Probabilities cannot exceed 1. Yes, the probabilities are all positive. No, the values of X are too far apart and the probabilities add up to a value greater than 1. Yes, the probabilities add to 1 and they are all positive.Question 11Below is a distribution for number of visits to dentists in one year.X12345P(X=x)0.260.440.170.070.06Calculate the following probabilities:a. P(X < 2) = b. P(X ≥ 3) = c. P(1< X ≤ 3) = d. P(3 ≤ X < 5) = e. P(3 < X < 5) = Question 12Below is a probability distribution for the number of failures in an elementary statistics course.X01234P(X=x)0.410.15?0.090.09Determine the following probabilities:a. P(X = 2) = b. P(X 2) = e. P(X = 1 or X = 4) = f. P(1 ≤ X ≤ 4) = Question 13Consider the following statements about a particular traditional class of statistics students at State U related to discrete and continuous variables. Which of the following is a true statement? Check all that apply. The number of students in the class is a discrete variable. The average age of the students in the class is a continuous variable. The room number of the class is a continuous variable variable. The average weight of the students is a discrete variable. A student’s GPA is a continuous variable.Question 14From past experience, a company has found that in carton of transistors:92% contain no defective transistors3% contain one defective transistor,3% contain two defective transistors, and2% contain three defective transistors.Calculate the mean and variance for the defective transistors.Mean = Variance = (Please round answers to 4 decimal places.)Question 15First, find the value of the constant, k so that the following table represents a probability distribution for the random variable, x and then find P(x<2).x0123P(x)2k3k13k2kThe probability that P(X < 2) is equal to 1.00 0.15 0.90 0.65 0.25Question 16A florist determines the probabilities for the number of flower arrangements they deliver each day.x1920212223P(x)0.240.220.350.110.08Find the mean, variance, and standard deviation of the distribution rounded to 4 decimal places.Mean = Variance = Standard Deviation = Approximately how many arrangements should the florist expect to deliver each week, rounded to the nearest whole number? Question 1Colorblindness is any abnormality of the color vision system that causes a person to see colors differently than most people, or to have difficulty distinguishing among certain colors (www.visionrx.com).Colorblindness is gender-based, while the majority of sufferers being males.Roughly 8% of white males have some form of colorblindness, while the incidence among white females is only 1%. A random sample of 20 white males and 40 white females was chosen.Let X be the number of males (out of the 20) who are colorblind.Let Y be the number of females (out of the 40) who are colorblind.Let Z be the total number of colorblind individuals in the sample (males and females together).Which of the following is true about the random variables X, Y, and Z? Check all that apply. X is binomial with n = 20 and p = .08. Y is binomial with n = 40 and p = .01. Z is not binomial.Question 2Blood type AB is the rarest blood type, occurring in only 4% of the population in the United States. In Australia, only 1.5% of the population has blood type AB. Suppose a random sample of 50 U.S. residents and 40 Australians is obtained. Consider the random variables described below:X: the number of U.S. residents with blood type ABY: the number of Australians with blood type ABWhat is the probability that exactly 2 of the U.S. residents have blood type AB? (Note: Some answers are rounded) 0.2762 0.04 0.1334 0.0988 0.2646Question 3In the following random experiment, decide whether the random variable X is binomial or not:A sample of 4 cards is selected without replacement from a standard deck of 52-cards, in which there are 26 red and 26 black cards. Let X be the number of cards that are red. Binomial Not binomialQuestion 4In Texas, 30% of parolees from prison return to prison within 3 years. Suppose 15 prisoners are released from a Texas prison on parole. Assume that whether or not one prisoner returns to prison is independent of whether any of the others return to prison. Let the random variable X be the number of parolees out of 15 that return to prison within 3 years. What are the values of the parameters for the binomial random variable X?n = p = Question 5Which of the following scenarios are Binomial? A quality control inspector takes a random sample of 20 items from a large lot, inspects each item, classifies it as poor, satisfactory, or good, and counts the number of each type of item in the sample. A couple decided to continue having children until their first girl is born: X is the total number of children the couple has. You observe the sex of the next 20 children born at a local hospital: X is the number of girls among them. An engineer chooses a SRS of 10 switches from a shipment of 10,000 switches. Suppose 10% of the switches in the shipment are bad. The engineer counts the number X of bad switches in the sample.Question 6A certain medical test is known to detect 70% of the people who are afflicted with the disease Y. If 10 people with the disease are administered the test, what is the probability that the test will show that:All 10 have the disease, rounded to four decimal places? At least 8 have the disease, rounded to four decimal places? At most 4 have the disease, rounded to four decimal places? Question 7According to government data, 41% of employed women have never been married. Rounding to 4 decimal places, if 15 employed women are randomly selected:a. What is the probability that exactly 2 of them have never been married? b. That at most 2 of them have never been married? c. That at least 13 of them have been married? Question 8Assume that 47% of people are left-handed. If we select 5 people at random, find the probability of each outcome described below, rounded to four decimal places:a. There are some lefties (≥ 1) among the 5 people. b. There are exactly 3 lefties in the group. c. There are at least 4 lefties in the group. d. There are no more than 2 lefties in the group. e. How many lefties do you expect? f. With what standard deviation? Question 9In a large population of college students, 20% of the students have experienced feelings of math anxiety. If you take a random sample of 10 students from this population, the standard deviation of the number of students in the sample who have experienced math anxiety is
With the information below can can you help me find
Question With the information below can can you help me find Can you help me find the Mean Can you help me find What is the Median Can you help me What is the Mode Can you help me find the Standard Deviation Can you help me find the Variance Can you help me find the Range with Can you show me how to build box Plot for the date ATTACHMENT PREVIEW Download attachment Screen Shot 2019-06-30 at 10.10.58 PM.png
Assignment: Professional PortfolioA professional Portfolio is a collection of documents that provides
Assignment: Professional PortfolioA professional Portfolio is a collection of documents that provides evidence of your education, skill sets, accomplishments, goals, competencies, professional background, your dedication to life-long learning, and anything else that validates your commitment to your profession. A professional Portfolio is a tool to help you prepare and plan your career as well as assist you in role acquisition. Once you complete your Portfolio, much of what you need for the next phase of your career will already be collected! Additionally, this Portfolio assignment will promote a process of self-reflection and self-awareness which are necessary components to acquiring a new professional identity. Once completed, you will be able to identify your strengths and accomplishments which will help you develop confidence as you transition from the role of a registered nurse to that of an advanced practice nurse.DirectionsBelow is a list of documents/artifacts that you will need to include in your portfolio. For this unit you need to complete and submit items 1–4. Please scan these and save as a PDF document. At the end of Unit 8 your ePortfolio should be one PDF document. The following format should be used:
Assignment: Professional PortfolioA professional Portfolio is a collection of documents that provides
Assignment: Professional PortfolioA professional Portfolio is a collection of documents that provides evidence of your education, skill sets, accomplishments, goals, competencies, professional background, your dedication to life-long learning, and anything else that validates your commitment to your profession. A professional Portfolio is a tool to help you prepare and plan your career as well as assist you in role acquisition. Once you complete your Portfolio, much of what you need for the next phase of your career will already be collected! Additionally, this Portfolio assignment will promote a process of self-reflection and self-awareness which are necessary components to acquiring a new professional identity. Once completed, you will be able to identify your strengths and accomplishments which will help you develop confidence as you transition from the role of a registered nurse to that of an advanced practice nurse.DirectionsBelow is a list of documents/artifacts that you will need to include in your portfolio. For this unit you need to complete and submit items 1–4. Please scan these and save as a PDF document. At the end of Unit 8 your ePortfolio should be one PDF document. The following format should be used:
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