8. The IQ scores of college school students are normally distributed. a. Given a mean value of 100 and standard deviation b. Create a graph. of 15, find the area for IQ scores between 103 and 131 9. The IQ scores of adults are normally distributed. a. Given a mean value of 104.9 and standard deviation b. Create a graph. of 23.6, find the probability that a randomly selected adult has an IQ greater than 13