statistics

The distribution of the heights of men in the U.S. is normally distributed with a mean of 70 inches and a standard deviation of 5 inches.
a) What is the probability of an american male being less than 60 inches tall?
b) What is the probability of an american male being between 68 and 72 inches tall?

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  1. Z = (score-mean)/SD

    Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportions related to the Z scores.

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