Question: In a school, the average mathematics achievement test score is 75 and the standard error is 10 points. Find the probability that the students

In a school, the average mathematics achievement test score is 75 and

In a school, the average mathematics achievement test score is 75 and the standard error is 10 points. Find the probability that the students will have test scores of a) between 60 and 80 b) more than 90

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