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In January 2003, the American worker spent an average of 77 hours logged on to the Internet while at work. Assume the time spent logged on to the Internet while at work is normally distributed, and the standard deviation is 20 hours. A person is classified as a heavy user if he or she is in the upper 25% of usage. In January 2003, how many hours did a worker have to be logged on to the Internet to be considered a heavy user? 90.4 O 102.6 97.8 87.4 93.8

In January 2003, the American worker spent an average of 77 hours logged on to the Internet while at work. Assume the time spent logged on to the Internet while at work is normally distributed, and the standard deviation is 20 hours. A person is classified as a heavy user if he or she is in the upper 25% of usage. In January 2003, how many hours did a worker have to be logged on to the Internet to be considered a heavy user? 90.4 O 102.6 97.8 87.4 93.8

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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In January 2003, the American worker spent an average of 77 hours logged on to the Internet while at work. Assume the time spent logged on to the Internet while at work is normally distributed, and the standard deviation is 20 hours. A person is classified as a heavy user if he or she is in the upper 25% of usage. In January 2003, how many hours did a worker have to be logged on to the Internet to be considered a heavy user? Q 90.4 102.6 97.8 87.4 93.8 7 O C 4 MacBook Pro 8 DOL P W # zoom
Transcribed Image Text:In January 2003, the American worker spent an average of 77 hours logged on to the Internet while at work. Assume the time spent logged on to the Internet while at work is normally distributed, and the standard deviation is 20 hours. A person is classified as a heavy user if he or she is in the upper 25% of usage. In January 2003, how many hours did a worker have to be logged on to the Internet to be considered a heavy user? Q 90.4 102.6 97.8 87.4 93.8 7 O C 4 MacBook Pro 8 DOL P W # zoom
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