The average price of a college math textbook is $154 and the standard deviation is $27. Suppose that 48 textbooks are randomly chosen. Round all answers to 4 decimal places where possible. a. What is the distribution of 2? C - N( b. For the group of 48, find the probability that the average price is between $155 and $159. c. Find the first quartile for the average textbook price for this sample size. S round to the nearest cent) d. For part b), is the assumption that the distribution is normal necessary? O NoO Yes Hint