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35 randomly selected students took the calculus final. If the sample mean was 90 and the standard deviation was 5.3, construct a 99.8% confidence interval

35 randomly selected students took the calculus final. If the sample mean was 90 and the standard deviation was 5.3, construct a 99.8% confidence interval for the mean score of all students.

Define parameter:

Justify:

Work:

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