SOLUTION: In a study of 420,095 cell phone users in Denmark, it was found 135 developed cancer of the brain or nervous system. Estimate the probability that a randomly selected cell phone us

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Question 947423: In a study of 420,095 cell phone users in Denmark, it was found 135 developed cancer of the brain or nervous system. Estimate the probability that a randomly selected cell phone user will develop such a cancer.
Answer by stanbon(75887) About Me  (Show Source):
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In a study of 420,095 cell phone users in Denmark, it was found 135 developed cancer of the brain or nervous system. Estimate the probability that a randomly selected cell phone user will develop such a cancer.
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Ans: 135/420,095 = 0.000321...
Cheers,
Stan H.
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