(Quesition 1 - 3) Scores of hi

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(Quesition 1 - 3) Scores of high school students on a national calculus exam were normally distributed with a mean of 86 and a standard deviation of 4. (Total possible points = 100.)What is the probability that a randomly selected student will have a score of 80 or higher?

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(Top Tutor) Daniel C.
School: Carnegie Mellon University
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