SOLUTION: Use the given data to find the minimum sample size required to estimate a population proportion or percentage. Margin of​ error: nine percentage points​; confidence le

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Question 1003861: Use the given data to find the minimum sample size required to estimate a population proportion or percentage.
Margin of​ error: nine percentage points​; confidence level 90​%; from a prior​ study, p is estimated by the decimal equivalent of 48​%
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Use the given data to find the minimum sample size required to estimate a population proportion or percentage.
Margin of​ error: nine percentage points​; confidence level 90​%; from a prior​ study, p is estimated by the decimal equivalent of 48​%
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n = [z/E]^2*p*q
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n = [1.645/0.09]^2*0.48*0.52 = 83 when rounded down
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Cheers,
Stan H.
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