The costs of medical care in North America are increasing faster than inflation,
ID: 3349760 • Letter: T
Question
The costs of medical care in North America are increasing faster than inflation, and with the baby boom generation soon to need health care, it becomes imperative that countries find ways to reduce both costs and demand. the following table lists the joint probabilities associated with smoking and lung disease among 60 to 65 year old men. 2) He is a Smoker He is a nonsmoker .03 He has lung disease He does not have lung disease 12 .19 One 60 to 65 year old man is selected at random. what is the probability of the following events? a. b. c. d. He is a smoker He does not have lung disease He has lung disease given that he is a Smoker He has lung disease given that he does not smokerExplanation / Answer
The given Table is as follows:
He is a Smoker He is a nonsmoker Total
He has lung disease 0.12 0.03 0.15
He does not have lung disease 0.19 0.66 0.85
Total 0.31 0.69 1.00
(a) P(He is a smoker) = 0.31
(b) P(He does not have lung disease) = 0.85
(c) P(He has lung disease given that he is a smoker) = P(He has lung disease & He is a smoker)/P(He is a smoker)
= 0.12/0.31 = 0.3871
(d) P(He has lung disease given that he does not smoke) = P(He has lung disease & He does not smoke)/P(He does not smoke)
= 0.03/0.69 = 0.0435
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