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Test 2
12. The data in the following table show the association between cigar smoking and death from cancer for 130,781 men. Note: current cigar smoker means cigar smoker at time of death.
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(a) |
If an individual is randomly selected from this study, what is the probability that he died from cancer? |
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(b) |
If an individual is randomly selected from this study, what is the probability that he was a current cigar smoker? |
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(c) |
If an individual is randomly selected from this study, what is the probability that he died from cancer and was a current cigar smoker? |
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(d) |
If an individual is randomly selected from this study, what is the probability that he died from cancer or was a current cigar smoker? |
(a) P(died from cancer) =
(b) P(current cigar smoker =
(c) P(died from cancer and current cigar smoker) =
(d) P(died from cancer or current cigar smoker) =