Suppose that the average number of Facebook friends users have is normally distributed with a mean of 145 and a standard deviation of about 53. Assume eighteen individuals are randomly chosen. Answer the following questions. Round all answers to 4 decimal places where possible. a. What is the distribution of ? - N( b. For the group of 18, find the probability that the average number of friends is more than 150. c. Find the first quartile for the average number of Facebook friends.
Suppose that the average number of Facebook friends users have is normally distributed with a mean of 145 and a standard deviation of about 53. Assume eighteen individuals are randomly chosen. Answer the following questions. Round all answers to 4 decimal places where possible. a. What is the distribution of ? - N( b. For the group of 18, find the probability that the average number of friends is more than 150. c. Find the first quartile for the average number of Facebook friends.
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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![Suppose that the average number of Facebook friends users have is normally distributed with a mean of 145
and a standard deviation of about 53. Assume eighteen individuals are randomly chosen. Answer the following
questions. Round all answers to 4 decimal places where possible.
a. What is the distribution of x? x
NO
b. For the group of 18, find the probability that the average number of friends is more than 150.
c. Find the first quartile for the average number of Facebook friends.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4899391c-93dd-4acb-9bba-379df4a8729d%2F9543cf81-a1c7-4916-ab43-92d63f12704a%2Fow1ribg_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Suppose that the average number of Facebook friends users have is normally distributed with a mean of 145
and a standard deviation of about 53. Assume eighteen individuals are randomly chosen. Answer the following
questions. Round all answers to 4 decimal places where possible.
a. What is the distribution of x? x
NO
b. For the group of 18, find the probability that the average number of friends is more than 150.
c. Find the first quartile for the average number of Facebook friends.
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