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

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.5: Comparing Sets Of Data

Problem 4CYU

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