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March 3, 2015

Homework Help: math

Posted by Nicholas on Monday, May 16, 2011 at 9:47pm.

Sabino took the ACT in 2003 and received a composite score of 22. If the mean and standard deviation for that year were, respectively, 20.8 and 4.8, what percent of all of the students who took the exams scored better than him?

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