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A study of 420,081 cell phone users found that 0.0324% of them developed cancer of the brain or nervous system. 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. Complete parts (a) and (b). a. 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 420,081 cell phone users found that 0.0324% of them developed cancer of the brain or nervous system. 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. Complete parts (a) and (b). a. 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
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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(0.032% < P < 0.033%) is incorrect

**Study on Cell Phone Use and Cancer Risk** A study involving 420,081 cell phone users revealed that 0.0324% of them developed cancer of the brain or nervous system. Before this study, the incidence rate for individuals not using cell phones was 0.0323%. The task is to complete parts (a) and (b) as outlined below: **a. Confidence Interval Calculation** - **Goal:** 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. - **Instructions:** - Calculate the confidence interval using the provided data. - Format: \[ \_\_\_% < p < \_\_\_% \] - Note: Do not round until reaching the final answer. Round to three decimal places as needed.
Transcribed Image Text:**Study on Cell Phone Use and Cancer Risk** A study involving 420,081 cell phone users revealed that 0.0324% of them developed cancer of the brain or nervous system. Before this study, the incidence rate for individuals not using cell phones was 0.0323%. The task is to complete parts (a) and (b) as outlined below: **a. Confidence Interval Calculation** - **Goal:** 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. - **Instructions:** - Calculate the confidence interval using the provided data. - Format: \[ \_\_\_% < p < \_\_\_% \] - Note: Do not round until reaching the final answer. Round to three decimal places as needed.
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