Question: 8. The time needed to complete a final examination in a college course is normally distributed with a mean of 70 minutes and a standard

8. The time needed to complete a final examination in a college course is normally distributed with a mean of 70 minutes and a standard deviation of 10 minutes. A. (5) What is the normal probability of completing the exam in 60 minutes or less? B. (5) What is the normal probability that a student will complete the exam in more than 60 minutes but less than 80 minutes? C. (5) What is the normal probability of completing the exam in 70 minutes or more? Answers

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