Suppose that the number of Facebook friends users have is normally distributed with a mean of 132 and a standard deviation of about 45. Assume forty-eight individuals are randomly chosen. Answer the following questions. Round all answers to 4 decimal places where possible. a. What is the distribution of ? - N( 132 45 b. For the group of 48, find the probability that the average number of friends is less than 128. c. Find the first quartile for the average number of Facebook friends. Round to 2 decimal places. d. For part b), is the assumption that the distribution is normal necessary? O YesO No Question Help: Written Example

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