A study of 420,095 Danish cell phone users found that 0.0321% of them developed cancer of the brain or nervous system. Use the sample data to construct a 90% confidence interval estimate of the percentage of cell phone users who develop cancer of the brain or nervous system.
A study of 420,095 Danish cell phone users found that 0.0321% of them developed cancer of the brain or nervous system. Use the sample data to construct a 90% confidence interval estimate of the percentage of cell phone users who develop cancer of the brain or nervous system.
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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anwser for the question that says: Do cell phone users appear to have a rate of cancer of the brain or nervous system that is different from the rate of such cancer among those not using cell phones?
![A study of 420,095 Danish cell phone users found that 0.0321% of them developed
cancer of the brain or nervous system. Use the sample data to construct a 90%
confidence interval estimate of the percentage of cell phone users who develop
cancer of the brain or nervous system.
[0.0317, 0.0325]
[0.0318, 0.0324]
[0.0112, 0.4455]
[0.0314, 0.0328]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fabe1b391-2c88-48d7-b3f4-fb12294f50b4%2F267e056a-4db7-4357-9800-e968494c8f09%2Fruy0c3q_processed.png&w=3840&q=75)
Transcribed Image Text:A study of 420,095 Danish cell phone users found that 0.0321% of them developed
cancer of the brain or nervous system. Use the sample data to construct a 90%
confidence interval estimate of the percentage of cell phone users who develop
cancer of the brain or nervous system.
[0.0317, 0.0325]
[0.0318, 0.0324]
[0.0112, 0.4455]
[0.0314, 0.0328]
Transcribed Image Text:In the context of the previous problem. Prior to this study of cell phone use, the rate
of such cancer was found to be 0.0323% for those not using cell phones. Do cell
phone users appear to have a rate of cancer of the brain or nervous system that is
different from the rate of such cancer among those not using cell phones? Why or
why not?
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