Refer to given exercise about hours of sleep per night for, Ask an Expert

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Refer to given Exercise about hours of sleep per night for college students. Draw a picture of the distribution. Indicate the locations of the three intervals found in Exercise. Use given Figure for guidance.

2332_Graph 8.jpg

Exercise
The typical amount of sleep per night for college students has a bell-shaped distribution with a mean of 7 hours and a standard deviation equal to 1.7 hours. Use the Empirical Rule to complete each sentence:

a. About 68% of college students typically sleep between and hours per night.

b. About 95% of college students typically sleep between and hours per night.

c. About 99.7% of college students typically sleep between and hours per night.

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Statistics and Probability, Statistics

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