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According to the National Health Survey, the heights of adult males in the United States are...

According to the National Health Survey, the heights of adult males in the United States are normally distributed with mean 69.0 inches and a standard deviation of 2.8 inches.

(a) What is the probability that an adult male chosen at random is between 66 and 72 inches tall? (Round your answer to five decimal places.)

(b) What percentage of the adult male population is more than 6 feet tall? (Round your answer to three decimal places.)

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Answer #1

The heights of adult males in the United States are normally distributed with mean 69.0 inches and a standard deviation of 2.8 inches. .

a)The probability that an adult male chosen at random is between 66 and 72 inches tall is

b)The probability (6 feet is 72 inches),

So percentage of the adult male population is more than 6 feet tall.

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