Reject H0 if t > -1.6604.       Reject H0 if t > -1.9842.       Reject H0 if t > 1.9842 or Z < -1.9842

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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How many Kleenex should the Kimberly Clark Corporation package of tissues contain? Researchers determined that 60 tissues is the average number of tissues used during a cold. Suppose a random sample of 100 Kleenex users yielded the following data on the number of tissues used during a cold : X ̅=52, s = 22. Suppose the alternative we wanted to test was H1 : µ < 60. State the correct rejection region for α = 0.05. 
 
 
 
Reject H0 if t > 1.6604.
 
 
 
Reject H0 if t > -1.6604.
 
 
 
Reject H0 if t > -1.9842.
 
 
 
Reject H0 if t > 1.9842 or Z < -1.9842.
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