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...

Need answer to question 7.

Extracted text: 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 a = 0.05. Use this scenario to answer questions 6-10 6) State the alternative and null hypothesis 7) Calculate the test statistic