9.14 Test the hypotheses H0 : m … 100 H1 : m 7 100 using a random sample of n = 36, a probability of Type I error equal to 0.05, and the following sample statistics.

a. x = 108; s = 20

b. x = 104; s = 10

c. x = 96; s = 10

d. x = 95; s = 8 9.15 Test the hypotheses H0 : m … 100 H1 : m 7 100 using a random sample of n = 49, a probability of Type I error equal to 0.05, and the following sample statistics.

a. x = 108; s = 20

b. x = 104; s = 10

c. x = 96; s = 10

d. x = 95; s = 8