Suppose that the average number of Facebook friends users

Last updated: 3/9/2024

Suppose that the average number of Facebook friends users have is normally distributed with a mean of 131 and a standard deviation of about 48 Assume twelve individuals are randomly chosen Answer the following questions Round all answers to 4 decimal places where possible a What is the distribution of x N b For the group of 12 find the probability that the average number of friends is less than 145 c Find the first quartile for the average number of Facebook friends d For part b is the assumption that the distribution is normal necessary No Yes