Question

The SAT mathematics scores in the state of Florida for this year are approximately normally distributed with a mean of 500 and a standard deviation of 100. Using the empirical rule, what is the probability that a randomly selected score lies between 300 and 700? Express your answer as a decimal.

Answer 1

0.25 is the probability that you would select a score between 300 and 700. I used the empirical rule when i solved this.