Question

World Review, the monthly newsmagazine, has recently changed its format (more holiday recipes and cartoons, less political commentary) and is interested in subscriber response. In a randomly selected sample of 200 subscribers, 64% (that is, 128 subscribers) said they preferred the old format. Construct a 95% confidence interval estimate of the proportion of all World Review subscribers who favor the old format. Interpret the interval you produce.


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  • CreatedJuly 16, 2015
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