document.write( "Question 481422: - 42% teen smoke cigarettes
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Algebra.Com's Answer #329695 by Edwin McCravy(20081) $\"\"$ $\"About$

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- 42% teen smoke cigarettes
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document.write( "I certainly hope these figures are way too high! It's an expensive \r\n" );
document.write( "and dirty addiction that makes your breath and whole body stink, \r\n" );
document.write( "and if you get trapped for a long time in a place where you can't \r\n" );
document.write( "smoke, you're absolutely miserable. And quitting is hell! I'm \r\n" );
document.write( "speaking from experience!  I no longer smoke, and I'd give anything \r\n" );
document.write( "if I'd never started.  I know what I'm talking about, so don't get addicted!\r\n" );
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document.write( "Anyway, here's the problem:\r\n" );
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document.write( "42% are smokers, so 58% are nonsmokers.  45% of those 58% who \r\n" );
document.write( "are nonsmokers are the nonsmoking females. That's (.45)(.58)=.261  \r\n" );
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document.write( "That's the probability of selecting a nonsmoking female.\r\n" );
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document.write( "[Notice that the \"53% of all smokers are female\" is not needed\r\n" );
document.write( "and has no effect of the problem for all it does is tell about\r\n" );
document.write( "how the smokers are distributed between the sexes, but we are only\r\n" );
document.write( "interested in the 58% who are nonsmokers].\r\n" );
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document.write( "Edwin

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