Question 29: A normal distribution of scores has a mean of 22.19 and a standard deviation of 13. What is the exact proportion of the distribution falling below 18? (1.5 Points) The answer should be given to four decimal places. Question 30: A normal distribution of scores has a mean of 10.3 and a variance of 5.16. What is the exact proportion of the distribution lying above 7.15? (1.5 Points) The answer should be given to four decimal places. hs Question 31: Rick took a test that is known to produce normally distributed grades with a mean of 72 and a (1.5 Points) standard deviation of 10. If Rick knows that the proportion of scores below his was .4443, what was his score on the test? The answer should be given to two decimal places. W