A study of 420,034 cell phone users found that 138 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 0.0352% 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. %

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 58E: What is meant by the sample space of an experiment?
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A study of 420,034 cell phone users found that 138 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 0.0352% 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.
D% <p<%
(Round to three decimal places as needed.)
>
Transcribed Image Text:A study of 420,034 cell phone users found that 138 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 0.0352% 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. D% <p<% (Round to three decimal places as needed.) >
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