The typical amount of sleep per night for college students has a bell-shaped distribution with a mean of 7.5 hours and a standard deviation equal to 1.1 hours. Use the Empirical Rule to complete each sentence. (In each sentence enter the smaller number in the first answer blank and the larger number in the second answer blank.) (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.
The typical amount of sleep per night for college students has a bell-shaped distribution with a mean of 7.5 hours and a standard deviation equal to 1.1 hours. Use the Empirical Rule to complete each sentence. (In each sentence enter the smaller number in the first answer blank and the larger number in the second answer blank.) (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.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 11PPS
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The typical amount of sleep per night for college students has a bell-shaped distribution with a mean of 7.5 hours and a standard deviation equal to 1.1 hours. Use the Empirical Rule to complete each sentence. (In each sentence enter the smaller number in the first answer blank and the larger number in the second answer blank.)
(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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