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On average, college students complete 15 credit hours per semester, with a standard deviation of 2.5. A sample of 32 students in their fifth year

On average, college students complete 15 credit hours per semester, with a standard deviation of 2.5. A sample of 32 students in their fifth year completed a mean of 10.1 credit hours. Calculate the 95% confidence for the mean credit hours of fifth year students

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