The article “Thrillers” (Newsweek, April 22, 1985) stated, “Surveys tell us that more than half of America’s college graduates are avid readers of mystery novels.” Let p denote the actual proportion of college graduates who are avid readers of mystery novels. Consider a sample proportion p ⁄ that is based on a random sample of 225 college graduates. a. If p = .5, what are the mean value and standard deviation of p ⁄ ? Answer this question for p = .6. Does p ⁄ have approximately a normal distribution in both cases? Explain.
The article “Thrillers” (Newsweek, April 22, 1985) stated, “Surveys tell us that more than half of America’s college graduates are avid readers of mystery novels.” Let p denote the actual proportion of college graduates who are avid readers of mystery novels. Consider a sample proportion p ⁄ that is based on a random sample of 225 college graduates. a. If p = .5, what are the mean value and standard deviation of p ⁄ ? Answer this question for p = .6. Does p ⁄ have approximately a normal distribution in both cases? Explain.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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The article “Thrillers” (Newsweek, April 22, 1985) stated, “Surveys tell us that more than half of America’s college graduates are avid readers of mystery novels.” Let p denote the actual proportion of college graduates who are avid readers of mystery novels. Consider a sample proportion p ⁄ that is based on a random sample of 225 college graduates.
a. If p = .5, what are the
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