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# Sample Size

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A random sample of 41 basketball players from The Official NBA Basketball Encyclopedia gave the sample standard deviation for player height as s = 3.32 inches. How many more players from this encyclopedia should be included in the sample to be 95% sure that the sample mean is within 0.75 inches of the population mean of all players in this book?

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Sample size for 95% confidence that the sample mean is within 0.75 inches of the population mean of all players is determined.

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A random sample of 41 basketball players from The Official NBA Basketball Encyclopedia gave the sample standard deviation for player height as s = 3.32 inches. How many more players from this encyclopedia should be included in the sample to be 95% sure that the sample mean is within 0.75 inches of the population mean of all players in this book?

sample size=n= 41

sample standard deviation ...

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