SOLUTION: Find the sample size needed to estimate the mean of a normal population with the standard deviation = 3 to within 1 unit at the 98% confidence level."
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-> SOLUTION: Find the sample size needed to estimate the mean of a normal population with the standard deviation = 3 to within 1 unit at the 98% confidence level."
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Question 522635: Find the sample size needed to estimate the mean of a normal population with the standard deviation = 3 to within 1 unit at the 98% confidence level." Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Find the sample size needed to estimate the mean of a normal population with the standard deviation = 3 to within 1 unit at the 98% confidence level."
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n = [z*s/E]^2
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n = [2.3263*3/1]^2 = 49 when rounded up
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Cheers,
Stan H.
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