SOLUTION: A random sample of 41 NBA players gave a standard deviation s = 3.32 inches for their height. How many more NBA players have to be included in the sample to make 95% sure that the

Question 934899: A random sample of 41 NBA players gave a standard deviation s = 3.32 inches for their height. How many more NBA players have to be included in the sample to make 95% sure that the sample mean �x of their height is within 0.75 inch of the mean � of the height of the population of all NBA players.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A random sample of 41 NBA players gave a standard deviation s = 3.32 inches for their height. How many more NBA players have to be included in the sample to make 95% sure that the sample mean �x of their height is within 0.75 inch of the mean � of the height of the population of all NBA players.
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n = [z*s/E]^2
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n = [1.96*3.32/0.75]^2 = 76 when rounded up
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Cheers,
Stan H.
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