Question

A recent study by the Government Accountability Office found that consumers got correct answers about Medicare only 67 percent of the time when they called 1-800-MEDICARE.
(a) At α = .05, would a subsequent audit of 50 randomly chosen calls with 40 correct answers suffice to show that the percentage had risen? What is the p-value?
(b) Is the normality criterion for the sample proportion met?


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  • CreatedAugust 19, 2015
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