Question 6 The distribution of scores on a recent test closely followed a Normal Distribution with a mean T of 22 points and a standard deviation of 2 points. For this question, DO NOT apply the ab standard deviation rule. 10 (a) What proportion of the students scored at least 28 points on this test, rounded to five decimal places? (b) What is the 29 percentile of the distribution of test scores, rounded to three decimal places