SOLUTION: if we wish to estimate the population mean within 5, with a 99% level of confidence. The population standard deviation of 15. What size of sample is required
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Question 813423: if we wish to estimate the population mean within 5, with a 99% level of confidence. The population standard deviation of 15. What size of sample is required Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! if we wish to estimate the population mean within 5, with a 99% level of confidence. The population standard deviation of 15. What size of sample is required
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Since E = z
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n = [z*s/E]^2
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Your Problem:
n = [2.5758*15/5]^2 = [2.5758*3]^2 = 60 when rounded up
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Cheers,
Stan H.
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