Suppose Exam 1 has a normal distribution with mean = 78 andstandard deviation = 14.9....

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Suppose Exam 1 has a normal distribution with mean = 78 andstandard deviation = 14.9. Select one student at random,a. find the probability that the student got at least 90 on Exam 1.Write answer in 2 decimals.b. find the probability that the student got between 70 and 80 onExam 1.

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