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In her MAT135 class, professor Alayeb found that the mean score of the first exam was 87. Suppose that the scores are normally distributed with
In her MAT135 class, professor Alayeb found that the mean score of the first exam was 87. Suppose that the scores are normally distributed with a standard deviation of 20 points. What is the probability that a randomly selected score is less than 59? P(x<59)P(x<59) = What is the probability that a randomly selected score is more than 61? P(x>61)P(x>61) = what is the probability that a randomly selected score is between 59 and 61 ? P(59
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