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Q: 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%

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% look 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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Q: 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%

Step by Step Solution

Step: 1

Step: 2Unlock detailed examples and clear explanations to master concepts

Step: 3Unlock to practice, ask and learn with real-world examples

Document Format ( 2 attachments)

608f5af51b284_21001.pdf

608f5af51b284_21001.docx

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Students Have Also Explored These Related Medical Sciences Questions!