Assume a nationwide random survey of 800 adults asked about attitudes toward “alternative medicine” such as acupuncture, massage therapy, and herbal therapy. Among the respondents, 448 said they would use alternative medicine if traditional medicine was not producing the results they wanted. Give a 99% confidence interval for the proportion of all adults who would use alternative medicine.

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A: Solution

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A: Step 1: Step 2: Step 3: Step 4:

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A:

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A:

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A: n = 800p^ = 0.1595% CI for p = ?

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A:

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