Posted by **cathy** on Tuesday, May 31, 2011 at 12:35am.

if a test has a mean of 75, with a standard deviation of 11, what % of students scored an A (90 or higher)?

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March 23, 2017
Posted by **cathy** on Tuesday, May 31, 2011 at 12:35am.

if a test has a mean of 75, with a standard deviation of 11, what % of students scored an A (90 or higher)?

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