SOLUTION: A researcher would like to estimate the population proportion of adults living in a certain town who have at least a high school education. No information is available about its v

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Question 887862: A researcher would like to estimate the population proportion of adults living in a certain town who have at least a high school education. No information is available about its value. How large a sample size is needed to estimate it to within 0.19 with 99% confidence?
N=
(Round up to the nearest integer)
Answer by stanbon(75887) About Me  (Show Source):
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A researcher would like to estimate the population proportion of adults living in a certain town who have at least a high school education. No information is available about its value. How large a sample size is needed to estimate it to within 0.19 with 99% confidence?
N = [2.5758/0.19]^2*(1/2)^2 = 45.94
N = 46 when Rounded up to the nearest integer
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Cheers,
Stan H.
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