Vitamins for Women: a medical researcher wishes to determine the percentage of females who take vita
Question: Vitamins for Women: a medical researcher wishes to determine the percentage of females who take vitamins he wishes to be 99% confident that the estimate is within 2percentage points of the true proportion. A recent study of 180 females showed that 25% took vitamins.
a) how large should the sample size be ?
b) if no estimate of the sample proportion is available how large should the sample be?
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Deliverable: Word Document
Deliverable: Word Document