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OpenStudy (anonymous):
[Statistics] According to the College Board, scores on the math section of the SAT Reasoning college entrance test for the class of 2010 had a mean of 516 and a standard deviation of 116. Assume that they are roughly normal. A.) What was the interval spanned by the middle 68% of Scores? B.) How high must a student score to be in the top 2.5 percent of scores?
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