Question 5 Previous The average score for games played in the NFL is 22.2 and the standard deviation is 8.9 points. 48 games are randomly selected. Round all answers to 4 decimal places where possible and assume a normal distribution. a. What is the distribution of a? * ~ N( b. What is the distribution of c. P(a > 21.8731) = d. Find the 72th percentile for the mean score for this sample size. e. P(20.2731 1136.3088) = h. For part c) and e), is the assumption of normal necessary? No Yes