Standard deviation= 2.8 complaints
Conduct a test at the .01 significance level
a)State the null and alternate hypothesis
b)Sketch the rejection region
c)Calculate the P-value
d)Should we reject the null hypothesis or not?Stats: Avg=16 complaints per week. Interviewer think true mean is higher. Sample of 10 wks, avg=17.9 per wk.?
l2statistics
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