Suppose that the population of heights of male college students is approximately normally distributed with mean m of 69.09 inches and standard deviation s of 4.71 inches. A random sample of 92 heights is obtained. Show all work.
(A) Find p(x>68.5)
(B) Find the mean and standard error of the distribution
(C) Find p(xbar>68.5)
(D) Why is the formula required to solve (A) different than (C)?