. Suppose that the mean chest size of certain soldiers is 39.8 inches with a standard deviation of 2.2 inches. A histogram of chest sizes shows an approximately normal curve. Given this information, answer the following questions: (a) What percentage of soldiers having chest size under 37.6 inches? (b) What percentage of soldiers having chest size above 44.2 inches? (c) What percentage of soldiers having chest size between 35.4 and 44.2 inches?

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Q: What percent of data points fall in the range of z=-1.5 and z=1.5 standard deviations of the mean

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A: Standard deviation of sample mean is also know as Standard error

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A: The provided information is:

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Q: If a distribution of test scores is normal, with a mean of 78 and a standard deviation of 11, what…

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Q: Which of the following would be the standard deviation used in developing the p-control chart?

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Q: Suppose that the scores on a statewide standardized test are normally distributed with a mean of 69…

A: Let X denote the scores on a statewide standardized test and it follows normal distribution with…