I need a step by step walk through SAT verbal scores are normally distributed with a mean of 489 and a standard deviation of 93. What percent of the scores lie between 303 and 582?

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- February 15th 2010, 05:10 PM #1

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- February 15th 2010, 06:17 PM #2

- February 21st 2010, 07:49 AM #3

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- February 21st 2010, 07:52 AM #4

- February 21st 2010, 03:17 PM #5

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- February 21st 2010, 03:28 PM #6