The distribution of hours of sleep per weeknight, among college students, is found to be Normally distributed, with a mean of 6.5 hours and a standard deviation of 1 hour. The percentage of college students that sleep at least eight hours per night is about

A. 6.7%.
B. 2.5%.
C. 95%.

Question

11-06-2024
Mathematics

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The distribution of hours of sleep per weeknight, among college students, is found to be Normally distributed, with a mean of 6.5 hours and a standard deviation of 1 hour. The percentage of college students that sleep at least eight hours per night is about

A. 6.7%.
B. 2.5%.
C. 95%.

Sagot :

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