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The American Heart Association is about to conduct an anti-smoking campaign and wants to know the fraction of Americans over 40 who smoke. Step2of2: Suppose

The American Heart Association is about to conduct an anti-smoking campaign and wants to know the fraction of Americans over 40 who smoke.

Step2of2:

Suppose a sample of 484 Americans over 40 is drawn. Of these people, 349 don't smoke. Using the data, construct the 85% confidence interval for the population proportion of Americans over 40 who smoke. Round your answers to three decimal places.

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