The Time for a Professor to Grade a Homework in Statistics

question 44

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 less than 16 minutes to grade?

• A) 0.1401
• B) 0.5910
• C) 0.7734
• D) 0.9131

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