According to National Health Survey, the heights of adult males in the United States are normally distributed with mean 69.0inches and standard deviation 2.8inches.
(a) Estimate the probability that a randomly chosen adult American male is between 66inches and 75inches tall.
(b) Estimate the percent of the adult American males that are taller than 6 feet 2inches.

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hi

Do you know how to find the z-scores for 66 inches and 75 inches?

no sorry..

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