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%. Among smokers, the etiologic fraction of disease due to smoking is: A. 0.90 for lung cancer and 0.88 for coronary thrombosis. B. 0.89 for lung cancer and 0.29 for coronary thrombosis. C. 0.89 for lung cancer and 0.88 for coronary thrombosis. D. cannot be determined from the information provided. E. 0.90 for lung cancer and 0.29 for coronary thrombosis.
Contingency Table
A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.
Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
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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 coronary thrombosis is 422 among non-smokers and 599 among smokers. The prevalence of smoking in the population is 55%.
Among smokers, the etiologic fraction of disease due to smoking is:A. 0.90 for lung cancer and 0.88 for coronary thrombosis.
B. 0.89 for lung cancer and 0.29 for coronary thrombosis.
C. 0.89 for lung cancer and 0.88 for coronary thrombosis.
D. cannot be determined from the information provided.
E. 0.90 for lung cancer and 0.29 for coronary thrombosis.
Given:
- Number of population,
- Death rate for lung cancer among non-smokers is, .
- Death rate for lung cancer among smokers is, .
- Death rate for corona thrombosis among non-smokers is, .
- Death rate for corona thrombosis among smokers is, .
- The prevalence of smoking is,
The objective is to calculate etiologic fraction of disease due to smoking.
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