# .The average height of young adult males has a normal distribution with standard deviation of 2.5 inches. You want to estimate the mean height of students at your college or university to within one inch with 93% confidence. How many male students must you measure?

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The average height of young adult males has a normal distribution with standard deviation of 2.5 inches. You want to estimate the mean height of students at your college or university to within one inch with 93% confidence. How many male students must you measure?

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Step 1

Solution: It is given that the average height of young adult males has a normal distribution with a standard deviation of 2.5 inches.

It is required to find the number of students so that the estimate of the mean height of the students at the college or university to be with one inch with a 93% confidence level.

Step 2

The formula for finding the sample size is: ...

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