Suppose that the average number of Facebook friends users have is normally distributed with a mean of 122 and a standard deviation of about 43. Assume ten individuals are randomly chosen. Answer the...

Extracted text: Suppose that the average number of Facebook friends users have is normally distributed with a mean of 122 and a standard deviation of about 43. Assume ten individuals are randomly chosen. Answer the following questions. Round all answers to 4 decimal places where possible. a. What is the distribution of a? - N( 122 13.597 b. For the group of 10, find the probability that the average number of friends is less than 118. 0.3842 c. Find the third quartile for the average number of Facebook friends. d. For part b), is the assumption that the distribution is normal necessary?U No O Yes Hint: