Question 248796
A 90% confidence interval for a population mean is (22, 30)
a. Can you reject the null hypothesis that mean = 24 at the 10% significance level? Why?
No. u = 24 is in the Fail to reject interval.
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b. Can you reject the null hypothesis that mean = 31 at the 10% significance level? Why?
Yes. u = 31 is in the reject interval.
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Cheers,
Stan H.