For Questions 8 and 9, suppose that scores on the math portion of the SAT test have a normal distribution with mean = 480 and standard deviation = 50. 8. (Topic II.1) What proportion of those taking the test receive a math score of between 500 and 600? Show your work or explain your answer otherwise. 9. (Topic II.2) What score X0 on the math portion of the SAT is the 10th percentile (so that 10% of all those taking the math SAT test receive a score lower than X0)? Show your work and write your answer to the nearest whole number.