Probability selected student will have a high score

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Reference no: EM13153861

Scores of high school students on a national mathematics exam in Egypt were normally distributed with a mean of 86 and a standard deviation of 4. What is the probability that a randomly selected student will have a score of 80 or higher? If there were 97,680 students with scores higher than 91, how many students took the test?

Reference no: EM13153861

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