According to a recent marketing campaign, 90 drinkers of either Diet Coke or Diet Pepsi participated in a blind taste test to see which of the drinks was their favorite. In one Pepsi television commercial, an announcer states that "in recent blind taste tests, more than one-half of the surveyed preferred Diet Pepsi over Diet Coke." Suppose that out of those 90, 49 preferred Diet Pepsi. Test the hypothesis, using α=0.01 that more than half of all participants will select Diet Pepsi in a blind taste test by giving the following: (a) the test statistic (b) the critical z score
According to a recent marketing campaign, 90 drinkers of either Diet Coke or Diet Pepsi participated in a blind taste test to see which of the drinks was their favorite. In one Pepsi television commercial, an announcer states that "in recent blind taste tests, more than one-half of the surveyed preferred Diet Pepsi over Diet Coke." Suppose that out of those 90, 49 preferred Diet Pepsi. Test the hypothesis, using α=0.01 that more than half of all participants will select Diet Pepsi in a blind taste test by giving the following: (a) the test statistic (b) the critical z score
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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According to a recent marketing campaign, 90 drinkers of either Diet Coke or Diet Pepsi participated in a blind taste test to see which of the drinks was their favorite. In one Pepsi television commercial, an announcer states that "in recent blind taste tests, more than one-half of the surveyed preferred Diet Pepsi over Diet Coke." Suppose that out of those 90, 49 preferred Diet Pepsi. Test the hypothesis, using α=0.01 that more than half of all participants will select Diet Pepsi in a blind taste test by giving the following:
(a) the test statistic
(b) the critical z score
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