Mathematics, 01.03.2021 21:30 andy5843
The distribution of the number of hours of sleep people get per night is bell shaped with a mean of six hours in standard deviation of 1.5 hours
1. Approximately what percent of people sleep between 6 and 7.5 hours per night?
a. 16%
b. 24%
c. 34%
d. 68%
2. If Aaron had a Z score of 1.2 how many hours did he sleep?
a. 7.5 hours
b. 7.8 hours
c. 8.0 hours
d. 8.2 hours
Answers: 1
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