Question: SAT Math scores have a bell-shaped distribution with a mean of 515 and a standard deviation of 114. (a) What percentage of SAT scores is

SAT Math scores have a bell-shaped distribution with a mean of 515 and a standard deviation of 114.
(a) What percentage of SAT scores is between 401 and 629?
(b) What percentage of SAT scores is less than 401 or greater than 629?
(c) What percentage of SAT scores is greater than 743?

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