SOLUTION: A college dean would like to estimate a population mean to within 40 units with 99% confidence given that the population standard deviation is 200. What sample size should be use

Question 1026376: A college dean would like to estimate a population mean to within 40 units with 99% confidence given that the population standard deviation is 200.
What sample size should be used?

Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A college dean would like to estimate a population mean to within 40 units with 99% confidence given that the population standard deviation is 200.
What sample size should be used?
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n = [2.5758*200/40]^2 = 166 when rounded up
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Cheers,
Stan H.
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