The Scholastic Aptitude Test (SAT) scores in mathematics at a certain high school are normally distributed, with a mean of 500 and a standard deviation of 100. What is the probability that an individual chosen at random has the following scores? (Round your answers to four decimal places.) (a) greater than 600 H (b) less than 400 H (c) between 650 and 700 H You may need to use the table of areas under the standard normal curve from the appendix. Need Help? _