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Back to 7.2 The Central Limit Theorem for Sums (Optional)

7.2 Exercise 13

Avg difficulty 2.5


Use the following information to answer the next five exercises: The distribution of results from a cholesterol test has a mean of 180 and a standard deviation of 20. A sample size of 40 is drawn randomly.

Find the sum that is one standard deviation above the mean of the sums.

OpenStax Statistics, 7.2 The Central Limit Theorem for Sums (Optional), exercise 13

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