Mathematics, 23.05.2020 11:59, crookdamian21
A. Suppose that the mean time a typical American teenager spends doing homework each week is 4.2 hours. Assume the standard deviation is 0.9 hour. Assuming the variable is normally distributed, find the percentage of American teenagers who spend less than 3.5 hours doing homework each week.
Answers: 2
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A. Suppose that the mean time a typical American teenager spends doing homework each week is 4.2 hou...
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