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(Solved): Question 23 3 pts Suppose that the amount of sleep adults get each night is normally distributed wit ...
Question 23 3 pts Suppose that the amount of sleep adults get each night is normally distributed with a mean of 8.5 hours, and a standard deviation of 1.5 . What percent of people sleep between 7.2 and 8.8 hours per night? about
38%about
23%about
27%about
61%about
31%