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15. The company claims the mean weight of a package of Hostess Twinkies is 16 oz. S believe that the mean weight of the

15. The company claims the mean weight of a package of Hostess Twinkies is 16 oz. S believe that the mean weight of the package is less than what is claimed. They take packages of Hostess Twinkies and find the sample mean to be 15.92 oz. The standa package weight is assumed to be 0.15 oz. a. Calculate a 95% confidence interval for the mean package weight of Twinkies places for your answer.

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