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Suppose that the average number of Facebook friends users have is normally distributed with a mean of 148 and a standard deviation of about 48.

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Suppose that the average number of Facebook friends users have is normally distributed with a mean of 148 and a standard deviation of about 48. 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 T? ~ N( b. For the group of 10, find the probability that the average number of friends is less than 153. 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? O No O Yes

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