Question

SAT I scores around the nation tend to have a mean scale score around 500, a standard deviation of about 100 points and are approximately normally distributed. A person who scores 300 on the SAT I has approximately what percentile rank within the population?

Answer 1

First, how many standard deviations away is 300 from the mean?
do you have a Z table?

Answer 2

I can't figure that out. This one has thrown me off.