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A study of 420,010 cell phone users found that 0.0319% 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 0.0338% for those not using cell phones. Complete parts (a) and (b). CH a. Use the sample data to construct a 95% confidence interval estimate of the percentage of cell phone users who develop cancer of the brain or nervous system. %

A study of 420,010 cell phone users found that 0.0319% 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 0.0338% for those not using cell phones. Complete parts (a) and (b). CH a. Use the sample data to construct a 95% confidence interval estimate of the percentage of cell phone users who develop cancer of the brain or nervous system. %

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section: Chapter Questions
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A study of 420,010 cell phone users found that 0.0319% 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 0.0338% for those not using cell phones. Complete parts (a) and (b). a. Use the sample data to construct a 95% confidence interval estimate of the percentage of cell phone users who develop cancer of the brain or nervous system. % <p<% (Do not round until the final answer. Then round to three decimal places as needed.) b. 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? OA. No, because 0.0338% is not included in the confidence interval. OB. Yes, because 0.0338% is included in the confidence interval. OC. No, because 0.0338% is included in the confidence interval. OD. Yes, because 0.0338% is not included in the confidence interval.
Transcribed Image Text:A study of 420,010 cell phone users found that 0.0319% 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 0.0338% for those not using cell phones. Complete parts (a) and (b). a. Use the sample data to construct a 95% confidence interval estimate of the percentage of cell phone users who develop cancer of the brain or nervous system. % <p<% (Do not round until the final answer. Then round to three decimal places as needed.) b. 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? OA. No, because 0.0338% is not included in the confidence interval. OB. Yes, because 0.0338% is included in the confidence interval. OC. No, because 0.0338% is included in the confidence interval. OD. Yes, because 0.0338% is not included in the confidence interval.
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