Question:
Suppose Exam 1 has a normal distribution with mean = 78 and
Last updated: 7/19/2022
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Suppose Exam 1 has a normal distribution with mean = 78 and standard 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 on Exam 1.