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The Minneapolis Star Tribune reported that 73% of American adults say that Starbucks coffee is overpriced. The source of this information was a national telephone
The Minneapolis Star Tribune reported that 73% of American adults say that Starbucks coffee is overpriced. The source of this information was a national telephone survey of American adults conducted by Rasmussen Reports.
a. A 95% confidence interval for p is (0.702 , 0.758). Given the sample results, do you think that the true proportion of American adults that say that Starbucks coffee is overpriced is less than 0.75?
A. Unsure, the interval contains 0.75.
B. Yes, the interval contains 0.75.
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