The population standard deviation for the height of college basketball players is 3.2 inches. If we...

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The population standard deviation for the height of college basketball players is 3.2 inches. If we...

The population standard deviation for the height of college basketball players is 3.2 inches. If we want to estimate 99% confidence interval for the population mean height of these players with a 0.4 margin of error, how many randomly selected players must be surveyed?

math Statistics-And-Probability

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Answer 1

Answer #1

Sample size = (Z/2 * / E)²

= (2.5758 * 3.2 / 0.4)²

= 424.62

Sample size = 425 (Rounded up to nearest integer)

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Answer 2

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