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Find the confidence interval specified. Assume that the population is normally distributed. Thirty randomly selected students took the calculus final. If the sample mean was

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Find the confidence interval specified. Assume that the population is normally distributed. Thirty randomly selected students took the calculus final. If the sample mean was 93 and the standard deviation was 13.3, construct a 99% confidence interval for the mean score of all students. 88.87 to 97.13 87.02 to 98.98 86.31 to 99.69 86.33 to 99.67

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