document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=457855>Question 457855</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help with this probability question. Needing detail solution steps.<BR>\n" );
document.write( "Find the probability.<BR>\n" );
document.write( "The table below describes the smoking habits of a group of asthma sufferers.\r<BR>\n" );
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document.write( "	non smoker	light smoker	heavy smoker	total<BR>\n" );
document.write( "men	350	88	82	520<BR>\n" );
document.write( "women	334	70	84	488<BR>\n" );
document.write( "total	684	158	166	1008\r<BR>\n" );
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document.write( "A person is randomly selected. If the person selected is a light smoker, what is the probability that<BR>\n" );
document.write( "it is a woman?\r<BR>\n" );
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document.write( "A) 0.069        B) 0.143        C) 0.443        D) 0.257<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #314059 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=314059\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The table below describes the smoking habits of a group of asthma sufferers.\r<BR>\n" );
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document.write( "	non smoker	light smoker	heavy smoker	total<BR>\n" );
document.write( "men	350.....	88......	82......	520<BR>\n" );
document.write( "women	334.....	70......	84......	488<BR>\n" );
document.write( "total	684.....	158.....	166.....	1008\r<BR>\n" );
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document.write( "A person is randomly selected. If the person selected is a light smoker, what is the probability that it is a woman?<BR>\n" );
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document.write( "This is a conditional probability problem.<BR>\n" );
document.write( "P(woman | light smoker) <BR>\n" );
document.write( "= [P(woman AND light smoker)]/P(light smoker)]<BR>\n" );
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document.write( "= 70/1008 / 158/1008<BR>\n" );
document.write( "= 70/158<BR>\n" );
document.write( "= 0.4430<BR>\n" );
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document.write( "Notice: You get the answer faster by simply dividing the<BR>\n" );
document.write( "number of light-smoker women by the # of light smokers<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.\r<BR>\n" );
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document.write( "A) 0.069        B) 0.143        C) 0.443        D) 0.257<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );