Entries by Grace Wahito

Find the probability and interpret the results

March 11, 2020 in /by

Find the probability and interpret the results. If​convenient,use technology to find the probability.  The population mean annual salary for environmental compliance specialists is about  ​$62,000 A random sample of 34 specialists is drawn from this population. What is the probability that the mean salary of the sample is less than ​$59,500​? Assume sigma equals​ $6,200 . The probability […]

 

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The total cholesterol levels of a sample of men aged​35-44are

March 11, 2020 in /by

The total cholesterol levels of a sample of men aged​35-44are normally distributed with a mean of  220 milligrams per deciliter and a standard deviation of  37.4 milligrams per deciliter. ​(a)What percent of the men have a total cholesterol level less than  235 milligrams per deciliter of​blood? ​(b)If  256 men in the​35-44age group are randomly​selected,about how […]

 

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A population has a mean style=”color:rgb

March 11, 2020 in /by

A population has a mean  style=”color:rgb(0,0,0);”>muequals83and a standard deviation sigmaequals12. Find the mean and standard deviation of a sampling distribution of sample means with sample size nequals36.   Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code “Newclient”

 

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Assume the random variable x is normally distributed

March 11, 2020 in /by

Assume the random variable x is normally distributed with mean  mu equals81 and standard deviation  sigma equals5.  Find the indicated probability. ​P(67 less thanxless than76   Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code “Newclient”

 

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