document.write( "Question 1205230: The following table lists the joint probabilities associated with smoking and lung disease among 60-to-65 year-old men.\r \n" );
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document.write( "|||||||||||||||||||smoker||||non smoker \n" );
document.write( "Has lung diseas::::0.1||||||||0.03 \n" );
document.write( "No lung disease::::0.16|||||||0.71\r \n" );
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document.write( "One 60-to-65 year old man is selected at random. What is the probability of the following events?\r \n" );
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document.write( "A. He is a smoker: \r \n" );
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document.write( "B. He does not have lung disease: \r \n" );
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document.write( "C. He has lung disease given that he is a smoker: \r \n" );
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document.write( "D. He has lung disease given that he does not smoke \n" );
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