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The Scholastic Assessment Test is standardized to be normally distributed with a mean of 500 and...

The Scholastic Assessment Test is standardized to be normally distributed with a mean of 500 and a standard deviation of 100. What percent of SAT scores falls:

* between 400 and 600?

* Above 600?

I'm really more worried about the extensive steps to get the answer so please clarify

Math   Statistics-And-Probability   
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