89894

2 6734

y(7054

352)

already

1 5157)

(10699

Scores on the SAT for the class of 2007 were roughly normal with a mean of 1511 and a standard deviation

of 194.

(a) What was the range of the middle 68% of SAT scores?

(b) What was the range of the middle 95% of SAT scores?

(c) How high must a student score to be in the top 2.5% of SAT scores?