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The death rate per 100,000 for lung cancer is 7 among non-smokers and 71 among smokers....

The death rate per 100,000 for lung cancer is 7 among non-smokers and 71 among smokers. The death rate per 100,000 for coronary thrombosis is 422 among non-smokers and 599 among smokers. The prevalence of smoking in the population is 55%.

What is the relative risk of dying for lung cancer AND coronary thrombosis for a smoker compared to a non-smoker?

Risk death lung cancer smokers=

Risk death lung cancer nonsmokers=

Relative risk =

Math   Statistics-And-Probability   
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