SOLUTION: Imagine that the number of hours one works per week is normally distributed, with an mean of 38 hours and standard deviation of 10 hours. 68% of people work between _______ hours a

Algebra ->  Probability-and-statistics -> SOLUTION: Imagine that the number of hours one works per week is normally distributed, with an mean of 38 hours and standard deviation of 10 hours. 68% of people work between _______ hours a      Log On


   

Question 1137165: Imagine that the number of hours one works per week is normally distributed, with an mean of 38 hours and standard deviation of 10 hours. 68% of people work between _______ hours and _______ hours per week.
Answer by Theo(13342) About Me  (Show Source):
You can put this solution on YOUR website!
68% work between 28.056 and 47.944 hours.

i used the value from an area part of the following online normal distribution calculator to get these results.

http://davidmlane.com/hyperstat/z_table.html

here's a display of the results.

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