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me ages of 8 and 18 spend an average of u = 7.5 b. What proportion of 8- to 18-year-old Americans report in 2010 indicates that Americans between spend between 5 and 10 hours per day using elec- tronic devices? In symbols, p(5

me ages of 8 and 18 spend an average of u = 7.5 b. What proportion of 8- to 18-year-old Americans report in 2010 indicates that Americans between spend between 5 and 10 hours per day using elec- tronic devices? In symbols, p(5

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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b. What proportion of 8- to 18-year-old Americans tronic devices? In symbols, p(5<X<10) = 2 0. A report in 2010 indicates that Americans between spend between 5 and 10 hours per day using elec- the ages of 8 and 18 spend an average of u=75 ages hours per day using some sort of electronic devios such as smart phones, computers, or tablets. Assume that the distribution of times is normal with a stan- dard deviation of g = 2.5 hours and find the follow- ing values. a. What is the probability of selecting an individual who uses electronic devices more than 12 hours a day? h. What proportion of 8- to 18-yvear-old America spend between 5 and 10 hours per day using cie tronic devices? In a symbols, p(5<X L0 inches of
Transcribed Image Text:b. What proportion of 8- to 18-year-old Americans tronic devices? In symbols, p(5<X<10) = 2 0. A report in 2010 indicates that Americans between spend between 5 and 10 hours per day using elec- the ages of 8 and 18 spend an average of u=75 ages hours per day using some sort of electronic devios such as smart phones, computers, or tablets. Assume that the distribution of times is normal with a stan- dard deviation of g = 2.5 hours and find the follow- ing values. a. What is the probability of selecting an individual who uses electronic devices more than 12 hours a day? h. What proportion of 8- to 18-yvear-old America spend between 5 and 10 hours per day using cie tronic devices? In a symbols, p(5<X L0 inches of
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