The survey results state that the average full-time worker is 43.4 hours a week and follows a
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Question:
The survey results state that the average full-time worker is 43.4 hours a week and follows a normal distribution. To calculate the standard deviation of the population, a sample of 40 full-time workers was taken and 12% of them worked more than 48 hours a week. What is the population standard deviation?
Related Book For
Statistics for Business and Economics
ISBN: 978-0134506593
13th edition
Authors: James T. McClave, P. George Benson, Terry Sincich
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