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Mathematics 18 Online
OpenStudy (anonymous):

Assume that the population of heights of female college students is approximately normally distributed with mean  of 66.45 inches and standard deviation  of 4.72 inches. A random sample of 82 heights is obtained. Show all work. (A) Find P(X>65.50) (B) Find the mean and standard error of the distribution (C) Find P(X>65.50) NOTE: X HAS THE LINE OVER IT (D) Why is the formula required to solve (A) different than (C)?

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