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Normal Distribution and Z Scores

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The distribution of scores on a standardized aptitude test is approximately normal with a mean of 520 and a standard deviation of 100. What is the minimum score needed to be in the top 15 percent 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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Normal Distribution raw scores

The distribution of scores on a standardized aptitude test is approximately ...

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