document.write( "Question 1136592: Among 60-year-old college professors, 5% are smokers and 95% are non-smokers. The
\n" ); document.write( "probability of a non-smoker dying in the next year is 0.005 and the probability for smokers is
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Algebra.Com's Answer #754380 by ikleyn(52908)\"\" \"About 
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document.write( "ANSWER.  P = \"%280.05%2A0.05%29%2F%280.05%2A0.05+%2B+0.95%2A0.005%29\" = 0.3448 = 34.48%\r\n" );
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document.write( "They want you find the conditional probability  P(dies AND smoker | dies).\r\n" );
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document.write( "By the definition (and according to the common sense) \r\n" );
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document.write( "    P(dies AND smoker | dies) = \"P%28dies_AND_smoker%29+%2F+P%28dies%29\" = \"%280.05%2A0.05%29%2F%280.05%2A0.05+%2B+0.95%2A0.005%29\" = 0.3448 = 34.48%    ANSWER\r\n" );
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