is less than 60, the supermarket owner wants to reject the null hypothesis. What are the problems with using such a decision rule?

c. Compute the value of the test statistic.

d. Find the approximate p-value of the test.

e. Select a value of

a, the probability of a Type I error. Interpret this value in the words of the problem.

f. Give the appropriate conclusion, based on the results of parts d and

e. g. What conditions must be satisfied for the test results to be valid? h. In Exercise