The College Board Originally Scaled SAT Scores So That the Scores

Multiple Choice

The College Board originally scaled SAT scores so that the scores for each section were approximately normally distributed with a mean of 500 and a standard deviation of 100. Assuming scores follow a bell-shaped distribution, use the empirical rule to find the percentage of students who scored less than 400.

A) 16%
B) 68%
C) 84%
D) 32%