A book about college reports that the mean time students study each week is 1015 minutes. A dean says she believes the mean is greater than 1015 minutes. Suppose she takes a random sample of 64 students and finds that the sample mean is 1050 minutes. Assume the population standard deviation is 150 minutes. Test the deans claim at = 0.05 . Use this scenario to answer questions 6-10.

6) State the alternative and null hypothesis.

7) Calculate the test statistic.

8) Identify the p-value.

9) Make your decision.

10) Interpret the results.