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The Time for a Professor to Grade a Homework in Statistics

Question 54

Multiple Choice

The time for a professor to grade a 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 more than 12 minutes to grade?


A) 0.8023
B) 0.5948
C) 0.6664
D) 0.5040

Correct Answer:

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