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Assume that the population of heights of male college students is approximately normally distributed with mean of 72.15 inches and standard deviation of 6.39 inches. A random sample of 96 heights is obtained. Show all work.

(A) Find P (x > 73.25)
(B) Find the mean and standard error of the x distribution
(C) Find P (x > 73.25
(D) Why is the formula required to solve (A) different than (C)?

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