Homework Help: statistics

Posted by Anonymous on Thursday, December 15, 2011 at 3:25pm.

the admissions policy at a certain university requires that incoming students score in the upper 20% on a standardized test. if the mean score on the test is 510 and the standard deviation of the scores is 80, what is the minimum score that a student can earn on the test to meet the admissions requiremnt? Scores on the test are normally distributed and are reported in intervals of 10.

statistics (repeat) - TutorCat, Thursday, December 15, 2011 at 6:43pm
http://www.jiskha.com/display.cgi?id=1323980774

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