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he heights of American men are normally distributed with a mean of 71.3 inches and a...

he heights of American men are normally distributed with a mean of 71.3 inches and a standard deviation of 3.7 inches. According to the empirical rule, what percentage of American men are:

(a) Between 63.9 and 78.7 inches tall?
Answer:  %

(b) Under 75 inches tall?
Answer:  %

(c) Over 73.779 inches tall?
Answer:  %

Math   Statistics-And-Probability   
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