Suppose that the average number of Facebook friends users have is normally distributed with a mean of 134 and a standard deviation of about 60. Assume forty-four individuals are randomly chosen....

Suppose that the average number of Facebook friends users have is normally distributed with a mean of 134 and a standard deviation of about 60. Assume forty-four individuals are randomly chosen. Answer the following questions. Round all answers to 4 decimal places where possible.

1. What is the distribution of ¯xx¯? ¯xx¯ ~ N(,)


2. For the group of 44, find the probability that the average number of friends is more than 131.


3. Find the third quartile for the average number of Facebook friends.