what is the probability of a random student selected with a high score

Anonymous
timer Asked: Nov 3rd, 2015

Question description

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? What is the probability that a randomly selected student will have a score between 80 and 90?



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