Suppose that the population of heights of female college students is approximately normally distributed with the mean m of 68.42 inches and standard deviation s of 6.34 inches. A random sample of the 73 heights is obtained. Describe all work.
(A) Determine P(x.67.75)
(B) Determine the mean and standard error of the x distribution
(C) Determine P(x.67.75)
(D) Why is the formula needed to solve (A) different than (C)?