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We want to figure out if lung cancer is related to smoking or not. Suppose that...

We want to figure out if lung cancer is related to smoking or not. Suppose that we know 0.3 % of the people has lung cancer and 85% of the people with lung cancer were a current or previous smoker. Also we know that 25% of the people who do not have lung cancer, smoke. With these information, answer the following parts: (5 points each)

  • a) what is the probability of having lung cancer in non-smokers?
  • b) What is the probability of having lung cancer in smokers?
  • c) how much more likely (the ratio) we can see lung cancer in a smoker compare to a non-smoker?
Math   Statistics-And-Probability   
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