The time for a professor to grade a student's homework in statistics is normally distributed with a mean of 12.6 minutes and a standard deviation of 2.5 minutes. What is the probability that randomly selected homework will require between 11 and 15 minutes to grade?
A) 0.4875
B) 0.7567
C) 0.5704
D) 0.9637

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The Answer of The time for a professor to grade a student's homework in statistics is normally distributed with a mean of 12.6 minutes and a standard deviation of 2.5 minutes. What is the probability that randomly selected homework will require between 11 and 15 minutes to grade?
A) 0.4875
B) 0.7567
C) 0.5704
D) 0.9637

The Time for a Professor to Grade a Student's Homework