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

question 132

Multiple Choice

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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Definitions:

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Indifference Curves

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