Question
The time for a professor to grade an exam is normally distributed with a mean of 12.6 minutes and a standard deviation of 2.5 minutes.
The time for a professor to grade an exam is normally distributed with a mean of 12.6 minutes and a standard deviation of 2.5 minutes. What is the probability that a randomly selected exam will require less than 16 minutes to grade?
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Statistical Techniques In Business And Economics
Authors: Douglas A. Lind, William G. Marchal, Samuel Adam Wathen
13th Edition
9780070667075
