Suppose that the average number of Facebook friends users have is normally distributed with a mean of 130 and a standard deviation of about 55. Assume eleven individuals are randomly chosen. Answer the following questions. Round all answers to 4 decimal places where possible. a. What is the distribution of æ? ¤ ~ N( b. For the group of 11, find the probability that the average number of friends is more than 138. 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? O NoO Yes

Suppose that the average number of Facebook friends users have is normally distributed with a mean of 130 and a standard deviation of about 55. Assume eleven individuals are randomly chosen. Answer the following questions. Round all answers to 4 decimal places where possible. a. What is the distribution of æ? ¤ ~ N( b. For the group of 11, find the probability that the average number of friends is more than 138. 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? O NoO Yes

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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