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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%. The relative risk of dying for a smoker compared to a non-smoker is: [Refer to the chapter titled “Study Designs: Cohort Studies”]   A. 9.1 for lung cancer and 0.30 for coronary thrombosis.   B. 10.1 for lung cancer and 1.4 for coronary thrombosis.   C. 10.1 for lung cancer and 8.4 for coronary thrombosis.   D. 9.1 for lung cancer and 1.4 for coronary thrombosis.   E. 12.4 for lung cancer and 1.7 for coronary thrombosis.

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%. The relative risk of dying for a smoker compared to a non-smoker is: [Refer to the chapter titled “Study Designs: Cohort Studies”]   A. 9.1 for lung cancer and 0.30 for coronary thrombosis.   B. 10.1 for lung cancer and 1.4 for coronary thrombosis.   C. 10.1 for lung cancer and 8.4 for coronary thrombosis.   D. 9.1 for lung cancer and 1.4 for coronary thrombosis.   E. 12.4 for lung cancer and 1.7 for coronary thrombosis.

Linear Algebra: A Modern Introduction
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter7: Distance And Approximation
Section7.3: Least Squares Approximation
Problem 31EQ
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  1. 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%.
    The relative risk of dying for a smoker compared to a non-smoker is: [Refer to the chapter titled “Study Designs: Cohort Studies”]
      A.
    9.1 for lung cancer and 0.30 for coronary thrombosis.
      B.
    10.1 for lung cancer and 1.4 for coronary thrombosis.
      C.
    10.1 for lung cancer and 8.4 for coronary thrombosis.
      D.
    9.1 for lung cancer and 1.4 for coronary thrombosis.
      E.
    12.4 for lung cancer and 1.7 for coronary thrombosis.
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