Ch 5 Question 16

The data in the following table show the association between cigar smoking and death from cancer for 142,354 men. Note: current cigar smoker means cigar smoker at time of death.

Died from Cancer Did Not Die from Cancer

Never smoked cigars 799 124,236 Former cigar smoker 98 8,291 Current cigar smoker 162 8,768

A. If an individual is randomly selected from this study, what is the probability that he died from cancer?

B. If an individual is randomly selected from this study, what is the probability that he was a current cigar smoker?

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?

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?

Round to three decimal places as needed