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Normal Distribution: SAT Scores The Scholastic Aptitude Test (or SAT) is used by many colleges and universities as an admission requirement. The test is designed such that the scores are assumed to be normally distributed as depicted by the bell-curve in the illustration above. Use the information from this graph to determine the following: a. What are the mean and standard deviation? µ = _______ and σ = _______ b. What percentage of students taking the SAT would be expected to score less than 500? c. What percentage of students taking the SAT would be expected to score less than 600? d. What percentage of students taking the SAT would be expected to score more than 600? e. If 100,000 students take the SAT, how many would be expected to score more than 600?