The results of a national survey showed that on average, adults sleep 6.9 hours per night.Suppose that the standard deviation is 1.2 hours.a. Use Chebyshev’s theorem to calculate the percentage of individuals who sleepbetween 4.5 and 9.3 hours.b. Use Chebyshev’s theorem to calculate the percentage of individuals who sleepbetween 3.9 and 9.9 hours.
The results of a national survey showed that on average, adults sleep 6.9 hours per night.Suppose that the standard deviation is 1.2 hours.a. Use Chebyshev’s theorem to calculate the percentage of individuals who sleepbetween 4.5 and 9.3 hours.b. Use Chebyshev’s theorem to calculate the percentage of individuals who sleepbetween 3.9 and 9.9 hours.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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The results of a national survey showed that on average, adults sleep 6.9 hours per night.
Suppose that the standard deviation is 1.2 hours.
a. Use Chebyshev’s theorem to calculate the percentage of individuals who sleep
between 4.5 and 9.3 hours.
b. Use Chebyshev’s theorem to calculate the percentage of individuals who sleep
between 3.9 and 9.9 hours.
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