A study of 420,002 to cell phone users found that 133 of them develop cancer of the brain and nervous system part of the study of cell phone use the rate of such cancer was found to be .0239% for those not using cell phones. Complete parts (A) and (B).

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter4: Polynomial And Rational Functions
Section4.6: Rational Functions
Problem 11SC: Find the mean hourly cost when the cell phone described above is used for 240 minutes.
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A study of 420,002 to cell phone users found that 133 of them develop cancer of the brain and nervous system part of the study of cell phone use the rate of such cancer was found to be .0239% for those not using cell phones. Complete parts (A) and (B).

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