Textbook ExpertVerified Tutor
14 Nov 2021
Given information
Population mean ()=80; The sample size(n)=81; Standard deviation (s)=10;
Step-by-step explanation
Step 1.
Here, : the average workweek for women is less than 80 hours a week ();
: the average workweek for women is more than 80 hours a week ();
And alpha=0.05.
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