A report in 2010 indicates that Americans between the ages of 8 and 18 spend an average of u = 7.5 hours per day using some sort of electronic device such as smart phones, computers, or tablets. Assume that the distribution of times is normal with a standard deviation of g = 2,5 hours and find the following values. a. What is the probability of selecting an individual who uses electronic devices more than 12 hours a day?
A report in 2010 indicates that Americans between the ages of 8 and 18 spend an average of u = 7.5 hours per day using some sort of electronic device such as smart phones, computers, or tablets. Assume that the distribution of times is normal with a standard deviation of g = 2,5 hours and find the following values. a. What is the probability of selecting an individual who uses electronic devices more than 12 hours a 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 19PFA
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A report in 2010 indicates that Americans between the ages of 8 and 18 spend an average of u = 7.5 hours
per day using some sort of electronic device such as smart phones, computers, or tablets. Assume that the distribution of times is normal with a standard deviation of g = 2,5 hours and find the following values.
a. What is the probability of selecting an individual who uses electronic devices more than 12 hours a day?
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