A shopping network on Cable TV claims that the average age of its shoppers is 52 years. Suppose you want to test the null hypothesis, Ho: mu = 52, using a sample of n = 50 shoppers on that network.A shopping network on Cable TV claims that the average age of its shoppers is 52 years. Suppose you want to test the null hypothesis, Ho: mu = 52, using a sample of n = 50 shoppers on that network.

a)Find the p-value of a two-tailed test if x-bar = 53.3 and s = 10.4

b)Find the p-value of an upper tailed test if x-bar = 53.3 and s = 7.1