6. John is a data analyst at TikTok, and he is preparing a comprehensive report on customer engagement. Suppose the average session duration for a customer is normally distributed with variance 6. If the session duration of 25 randomly selected customers are chosen. What is the probability that the sample variance is greater than 9.1?
6. John is a data analyst at TikTok, and he is preparing a comprehensive report on customer engagement. Suppose the average session duration for a customer is normally distributed with variance 6. If the session duration of 25 randomly selected customers are chosen. What is the probability that the sample variance is greater than 9.1?
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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![6. John is a data analyst at TikTok, and he is preparing a comprehensive report on
customer engagement. Suppose the average session duration for a customer is normally
distributed with variance 6. If the session duration of 25 randomly selected customers
are chosen. What is the probability that the sample variance is greater than 9.1?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb9e27b5d-0ab8-428e-954d-97d64fc14c61%2Fbfec65f3-5149-4835-8542-a53a0ba43ea2%2Fsu6g7qf_processed.png&w=3840&q=75)
Transcribed Image Text:6. John is a data analyst at TikTok, and he is preparing a comprehensive report on
customer engagement. Suppose the average session duration for a customer is normally
distributed with variance 6. If the session duration of 25 randomly selected customers
are chosen. What is the probability that the sample variance is greater than 9.1?
Expert Solution
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Step 1
Given that
n=25
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