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a) What is the probability (in decimal form) of developing lung cancer given the subject was a smoker, round to 4 decimal places? b) What is the probability (in decimal form) of developing lung cancer given the subject was a non-smoker, round to 4 decimal places? c) What is the relative risk of developing lung cancer (disease) and history of smoking (symptom)?

a) What is the probability (in decimal form) of developing lung cancer given the subject was a smoker, round to 4 decimal places? b) What is the probability (in decimal form) of developing lung cancer given the subject was a non-smoker, round to 4 decimal places? c) What is the relative risk of developing lung cancer (disease) and history of smoking (symptom)?

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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The health histories of 11,900 middle-aged smokers or former smokers were tracked over many years. During the study, 126 developed lung cancer including 89 who were smokers and 37 were former smokers. Lung Cancer Yes No Total Smoking History No 37 5,711 5,748 Yes 89 6,063 6.152 Total 126 11,774 11,900 Answer the following questions: a) What is the probability (in decimal form) of developing lung cancer given the subject was a smoker, round to 4 decimal places? b) What is the probability (in decimal form) of developing lung cancer given the subject was a non-smoker, round to 4 decimal places? c) What is the relative risk of developing lung cancer (disease) and history of smoking (symptom)?
Transcribed Image Text:The health histories of 11,900 middle-aged smokers or former smokers were tracked over many years. During the study, 126 developed lung cancer including 89 who were smokers and 37 were former smokers. Lung Cancer Yes No Total Smoking History No 37 5,711 5,748 Yes 89 6,063 6.152 Total 126 11,774 11,900 Answer the following questions: a) What is the probability (in decimal form) of developing lung cancer given the subject was a smoker, round to 4 decimal places? b) What is the probability (in decimal form) of developing lung cancer given the subject was a non-smoker, round to 4 decimal places? c) What is the relative risk of developing lung cancer (disease) and history of smoking (symptom)?
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