Mathematics, 16.04.2020 20:15, jfefeferf
If the amount of time students work in any given week is normally distributed with a mean of 10 hours per week and a standard deviation of 2 hours, what is the probability a student works between 8 and 11 hours per week?A. 34.1% B. 38.2% D. 68.2%
Answers: 2
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