IQ Scores Are Assumed to Be Normally Distributed with a Mean

Short Answer

IQ scores are assumed to be normally distributed with a mean $\mu = 100$ and standard deviation $\sigma = 15$ . Use either Simpson's Rule or the Midpoint Rule to approximate the probability that a person selected at random from the general population will have an IQ score
(a) between 70 and 130.(b) over 130.