Heights of males in the United States are approximately normally distributed with a mean of 69.3 inches

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Heights of males in the United States are approximately normally distributed with a mean of 69.3 inches and a standard deviation of 3.0 inches.

a. What is the probability that a randomly chosen male in the United States has a height greater than 72 inches?

b. If four males are randomly chosen, what is the probability that exactly 3 of them will have heights greater than 72 inches?

c. If four males are randomly chosen, what is the probability that at least three of them will have heights greater than 72 inches?

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Introduction To Statistical Investigations

ISBN: 9781119683452

2nd Edition

Authors: Beth L.Chance, George W.Cobb, Allan J.Rossman Nathan Tintle, Todd Swanson Soma Roy

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Question Posted: Mar 05, 2023 04:20 AM

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Heights of males in the United States are approximately normally distributed with a mean of 69.3 inches

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Introduction To Statistical Investigations

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