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September 5, 2015

Homework Help: statistics

Posted by SHelia on Sunday, May 6, 2012 at 11:52pm.

The distribution of scores on a standardized aptitude test is approximately normal with a mean of 490 and a standard deviation of 95. What is the minimum score needed to be in the top 25% on this test? Carry your intermediate computations to at least four decimal places, and round your answer to the nearest integer.

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