Suppose that the amount of time per day that American adults spend on their mobile devices is normally distributed with mean 229 minutes and standard deviation 57 minutes. What percentage of American adults spend between 120 and 180 minutes on their mobile devices per day? What percentage of American adults spend less than 60 minutes on their mobile devices per day?
Suppose that the amount of time per day that American adults spend on their mobile devices is normally distributed with mean 229 minutes and standard deviation 57 minutes. What percentage of American adults spend between 120 and 180 minutes on their mobile devices per day? What percentage of American adults spend less than 60 minutes on their mobile devices per day?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 7PPS
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Suppose that the amount of time per day that American adults spend on their mobile devices is
What percentage of American adults spend between 120 and 180 minutes on their mobile devices per day?
What percentage of American adults spend less than 60 minutes on their mobile devices per day?
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