Math Solutions

(Solution Library) Vitamins for Women a medical researcher wishes to determine the percentage of females who take vitamins. He wishes to be 99% confident

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 2 percentage points of the true proportion. A recent study of 180 females showed that 25% took vitamins.

  1. How large should the sample size be?
  2. If no estimate of the sample proportion is available, how large should the sample be?

Price: $2.99
Solution: The downloadable solution consists of 1 pages
Deliverable: Word Document


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