a) Is the coffee industry's claim supported by this sample? -determine the null and alternative hypotheses -The z-test statistic is ____ -The critical z-score is(are) ____ b) determine the p-value for this test. I keep getting this answer wrong someone help!
a) Is the coffee industry's claim supported by this sample? -determine the null and alternative hypotheses -The z-test statistic is ____ -The critical z-score is(are) ____ b) determine the p-value for this test. I keep getting this answer wrong someone help!
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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Suppose the coffee industry claimed that the average adult drinks 1.7 cups of coffee per day. To test this claim, a random sample of 50 adults was selected, and their average coffee assumption was found to be 1.85 cups per day. assume the standard deviation of daily coffee consumption per day is 0.6 cups. Using a= 0.10.
a) Is the coffee industry's claim supported by this sample?
-determine the null and alternative hypotheses
-The z-test statistic is ____
-The critical z-score is(are) ____
b) determine the p-value for this test.
I keep getting this answer wrong someone help!
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