Posted by Deb on Saturday, December 11, 2010 at 11:58am.
Scores on a test are approximately normally distributed with a men of 70 and a standard deviation of 9. The teacher wants to give A's to the top 10% of students. What is the bottom cutoff for an A grade? Please round answer to the nearest whole number

Math  Dana, Thursday, November 28, 2013 at 9:28pm
82
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