Score on last try: 0.8 of 4 pts. See Details for more. > Next question 8 Get a similar question You can retry this question below The average price of a college math textbook is $157 and the standard deviation is $26. Suppose that 15 textbooks are randomly chosen. Round all answers to 4 decimal places where possible. a. What is the distribution of :17? 5?: ~ N( , ) b. For the group of 15, find the probability that the average price is between $165 and $172. c. Find the third 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? r. Yes:::l___jiii o