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Statistics 8 Online
OpenStudy (anonymous):

An online site presented this question, 'Would the recent norovirus outbreak deter you from taking a cruise?' Among the 34,466 people who responded, 68% answered 'yes'. Use the sample data to construct a 90% confidence interval estimate for the proportion of all people who would respond 'yes' to that question. Does the confidence interval provide a good estimate of the population proportion? __ < p < __

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