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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- Feb 15th 2010, 04:10 PM #1

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- Feb 15th 2010, 05:17 PM #2

- Feb 21st 2010, 06:49 AM #3

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- Feb 21st 2010, 06:52 AM #4

- Feb 21st 2010, 02:17 PM #5

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- Feb 21st 2010, 02:28 PM #6