(3 pts)

A random sample of 100 observations from a population with

standard deviation 16.55 yielded a sample mean of 93.1.

standard deviation 16.55 yielded a sample mean of 93.1.

1. Given that the null hypothesis is Î¼=90 and the alternative

hypothesis is Î¼>90 using Î±=.05, find the following:

hypothesis is Î¼>90 using Î±=.05, find the following:

(a) test statistic =

(b) p-value =

(c) The conclusion for this test is:

A. There is insufficient evidence to reject the null

hypothesis

hypothesis

B. Reject the null hypothesis

C. None of the above

2. Given that the null hypothesis is Î¼=90 and the alternative

hypothesis is Î¼â‰ 90 using Î±=.05, find the following:

hypothesis is Î¼â‰ 90 using Î±=.05, find the following:

(a) test statistic =

(b) p-value =

(c) The conclusion for this test is:

A. Reject the null hypothesis

B. There is insufficient evidence to reject the null

hypothesis

hypothesis

C. None of the above

Note: You can earn partial credit on this problem.