Mathematics, 31.10.2021 04:30 jzane1182
The average weekly work hours of full-time U. S. workers have approximately a normal distribution with mean 37 hours and standard deviation hours. Suppose 200 U. S. citizens are randomly chosen. Find an approximate probability that less than 10 of them are working more than 50 hours a week on average (round off to third decimal place).
Answers: 2
Mathematics, 21.06.2019 19:00
Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?
Answers: 3
The average weekly work hours of full-time U. S. workers have approximately a normal distribution wi...
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