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Mathematics, 26.02.2020 21:21 ahardy84

Suppose that grade point averages of undergraduate students at one university have a bell-shaped distribution with a mean of 2.55 2.55 and a standard deviation of 0.43 0.43 . Using the empirical rule, what percentage of the students have grade point averages that are between 2.12 2.12 and 2.98 2.98 ?

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