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

99.7%

This is because the likelihood of a point being within 2 SDs of the mean is 99.7%.