Question
The time for a professor to grade an exam is normally distributed with a mean of 16.3 minutes and a standard deviation of 4.2 minutes.
The time for a professor to grade an exam is normally distributed with a mean of 16.3 minutes and a standard deviation of 4.2 minutes. The interval around the mean that contains 68% of the times needed to grade exams is ________.
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Business Statistics For Contemporary Decision Making
Authors: Ken Black, Ignacio Castillo
3rd Canadian Edition
1119577624, 9781119577621
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