Entries by Grace Wahito

People were polled on how many books they read the previous year

February 28, 2020 in /by

People were polled on how many books they read the previous year. How many subjects are needed to estimate the number of books read the previous year within one book with 90% confidence? Initial survey results indicate that σ=11.7 books. A 90% confidence level requires ___ subjects.   Looking for a Similar Assignment? Order now and Get 10% Discount! […]

 

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Find the minimum sample size n needed to estimate μ for the given values

February 28, 2020 in /by

Find the minimum sample size n needed to estimate μ for the given values of c, σ,and E.c=0.98, σ=8.9 ,and E=1 Assume that a preliminary sample has at least 30 members. n=?      (Round up to the nearest whole number.)   Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code “Newclient”

 

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221Week 6 LabName:Change the color of your answers to red or highlight your answers.

February 28, 2020 in /by

I need help with this lab, i’m behind and i don’t have time to do it.  ATTACHMENT PREVIEW Download attachmentMath 221Week 6 LabName:Change the color of your answers to red or highlight your answers.Write complete sentences for answers when applicable.1.Age Discrimination?The accompanying data below depict ages of applicants who were unsuccessful in winning promotion and ages […]

 

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Use the normal distribution of SAT critical reading scores for which the mean is 515and the standard

February 28, 2020 in /by

Use the normal distribution of SAT critical reading scores for which the mean is 515and the standard deviation is 122. Assume the variable x is normally distributed. (a) What percent of the SAT verbal scores are less than 600? (b) If 1000 SAT verbal scores are randomly selected, about how many would you expect to be greater […]

 

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