The data in the flowing table show the association betwoon cigar smoking and dea

Question

The data in the flowing table show the association betwoon cigar smoking and death from cancer for 136,968 men Note current cigar smoker means cigar smokera tme of death. Click the icon to view the table. (a) IH an individual is randomly selected from this study, what is the probability that he ded from cancer? (b) If an individual is randomly selected from this study, what is the probability that he was a ourrent cigar smoker? (c) If an individual is randomly selected from this study, what is the probability that he died from cancer and was a curment oigar smokar? (d) If an individual is randomly selected from this study, what is the probability that he ded from canoer or was a current oigar smoker? (a) P(died from cancer) Round to three decimal places as needed) Data Table Round to three decimal places as needed.) (c) Plidied from cancer and cument cigar smokar) Round to three decimal places as needed) P(d)Plided from cancer or curment ciger smoker) Oid Not Die Died from Cancer from Cancer 118,579 Nover smoked Cument cigar smoker Round to three deaimal places as needed.) Print Done Enter your answer in each of the answer boxes Save for Late Chapter 11 Qu 05/0918 1:59pm of 05/23/18 Chapter 12 Qu

Explanation / Answer

Answer to the question is as follows:

a. P(died from cancer) = total died of cancer/ total people = (905+83+175)/(905+83+175+118579+9289+7937)

=0.0085

b. P(current cigor smoker) = (175+7937)/(905+83+175+118579+9289+7937) = 0.0592

c. P(died from cancer and current cigar smoker) = (175+7937)/(905+83+175+118579+9289+7937) = 0.0013

d. P(dies from cancer or curret cigar smoker) = 905+83+175+7937+175=175)/(905+83+175+118579+9289+7937) = 0.0664

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