What is probability-a student will finish exams


Discuss the below:

Q: The time needed to complete the final examination of MGSC 301 is normally distributed with a mean of 120 minutes and a standard deviation of 12 minutes.

a. What is the probability that a student will finish the examination in two hours or more?

b. What is the probability that a student will finish the examination in more than 100 minutes but less than 150 minutes?

c. What is the probability that a student will finish the examination in more than 140 minutes?

 

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