1.The JSU bookstore tells incoming freshman that the average cost of its textbooks is $51 with a standard deviation of $4.20. You think that the average cost is higher. In order to test the bookstore's claim against their alternative, you select a random sample of 100 books. Assume that the mean from their random sample is $51.85. Perform a hypothesis test at the 5% level of significance and state your decision.

List:

1.State the H0

2.State the H1

3.Choose alpha

4.Choose n

5.Choose Test

6.Set up critical value(s)

7.Collect data

8.Compute test statistic and p-value

9.Make statistical decision

10.Express conclusion