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.
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.