Find the sample size given 95% confidence, Margin of Error = 0.05 and ̂p=0.15.

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Answer:

H. 14. A charity wishes to estimate the proportion p of individuals on its mailing list who are willing to contribute $50 or more. To do so, a random survey of size n is conducted. In order to have a margin of error no greater than 0.05 and a 95% confidence level.

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