A medical researcher wishes to determine the percentage of

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A medical researcher wishes to determine the percentage of females who take vitamins. He wishes to be 95% confident that the estimate is within 2.5 percentage points of the true proportion. A recent study of 320 females showed that 66% took vitamins. How large should the sample size be?

Reference no: EM13631685

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A medical researcher wishes to determine the percentage of : a medical researcher wishes to determine the percentage of females who take vitamins. he wishes to be 95 confident that

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