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10. SAT math scores for high school seniors across the United States follow a normal distribution with a mean of u=490 and a standard deviation of o=90. a) Use the 68-95-99.7 rule to determine what percent of high school seniors in the United States score above 400 on the SAT math test? (2 pts) b) Using the 68-95-99.7 rule, 95% of all high school seniors in the United States score between what two values on the SAT math test? (2 pts)