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Scholastic Aptitude Test (SAT) in Mathematics scores range from 200 to 800. The scores are approximately normally distributed about a mean of 455, with a
Scholastic Aptitude Test (SAT) in Mathematics scores range from 200 to 800. The scores are approximately normally distributed about a mean of 455, with a standard deviation of 100 (for the population of 23,320 U.S. college bound seniors in 2013).
9) What is the probability that a student will score at least 500.
10) Find the 90th percentile score.
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