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Weight watchers take a poll of 250 members and finds that

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Question: Weight watchers take a poll of 250 members and finds that 95 of them include exercise with their diet program while the rest do not. Find a 99% confidence interval for the proportion of all members that do exercise. Find the number of members that they would need to poll in order to make their estimate accurate within 5 percentage points.

Reference no: EM13590844

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