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8.144 The Pepsi Challenge: Take the Pepsi Challenge was a marketing campaign used by the Pepsi-Cola Company. Coca-Cola drinkers participated in a blind taste test in which they tasted unmarked cups of Pepsi and Coke and were asked to select their favorite. Pepsi claimed that in recent blind taste tests, more than half of the Diet Coke drinkers surveyed said they preferred the taste of Diet Pepsi. Suppose 100 Diet Coke drinkers took the Pepsi Challenge and 56 preferred the taste of Diet Pepsi. Test the hypothesis that more than half of all Diet Coke drinkers will select Diet Pepsi in blind taste tests. Use 0.05.

          8.144 The Pepsi Challenge: Take the Pepsi Challenge was a marketing campaign used by the Pepsi-Cola Company. Coca-Cola drinkers participated in a blind taste test in which they tasted unmarked cups of Pepsi and Coke and were asked to select their favorite. Pepsi claimed that in recent blind taste tests, more than half of the Diet Coke drinkers surveyed said they preferred the taste of Diet Pepsi. Suppose 100 Diet Coke drinkers took the Pepsi Challenge and 56 preferred the taste of Diet Pepsi. Test the hypothesis that more than half of all Diet Coke drinkers will select Diet Pepsi in blind taste tests. Use 0.05.

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