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SAT scores are normed so that, in any year, the mean of the verbal or math...

SAT scores are normed so that, in any year, the mean of the verbal or math test score should be 500 and the standard deviation 100. Assuming this is true, answer the following question. What percentage of students score above 625 on the math SAT in any given year? Please round to a whole number and do not put the % sign again.

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Answer #1

Let X be the score :

We need to find out the the percentage of students scoring above 625

Hence we will find the probability:

X-625625-500 P(X > 625) = P( )-P(Z > 1.25) 0.1056 100 100

In percentage:10.56

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