Mathematics, 22.03.2021 03:20 kaylesparks2

A new study of 420,032 cell phone users found that 135 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 0.0235% for those not using cell phones. Complete parts (a) and (b).

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A new study of 420,032 cell phone users found that 135 of them developed cancer of the brain or nerv...

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