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Suppose that grade point averages of undergraduate students at one university have a bell-shaped distribution with a mean of 2.6 2.6 and a standard deviation
Suppose that grade point averages of undergraduate students at one university have a bell-shaped distribution with a mean of 2.6
2.6 and a standard deviation of 0.44
0.44. Using the empirical rule, what percentage of the students have grade point averages that are between 1.28
1.28 and 3.92
3.92?
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