document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1104125>Question 1104125</A>: <I><SPAN STYLE=\"word-break: break-all;\"> suppose the odds against an event are 5:2<BR>\n" );
document.write( "a}what are the odds in favor of the event?<BR>\n" );
document.write( "b} what is the probabilty of the event? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #718855 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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/cgi-bin/show-face.mpl?user=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=718855\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> if odds against are 5:2, then odds in favor are 2:5 and probability against is 5:7 and probability for is 2:7.\r<BR>\n" );
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document.write( "basically:\r<BR>\n" );
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document.write( "odds in favor equals probability for divided by probability against.\r<BR>\n" );
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document.write( "odds against equals probability against divided by probability for.\r<BR>\n" );
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document.write( "odds in favor equals reciprocal of odds against.\r<BR>\n" );
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document.write( "odds against equals reciprocal of odds in favor.\r<BR>\n" );
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document.write( "let's say you have 7 marbles.\r<BR>\n" );
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document.write( "5 of them are white and 2 of them are black.\r<BR>\n" );
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document.write( "probability of drawing a white marble = 5/7.\r<BR>\n" );
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document.write( "probability of drawing a black marble = 2/7\r<BR>\n" );
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document.write( "odds in favor of drawing a white marble = probability for divided by probability against = (5/7) / (2/7) = (5/7) * (7/2) = (5/2)\r<BR>\n" );
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document.write( "odds against drawing a white marble = probability against divided by probability for = (2/7) / (5/7) = (2/7) * (7/5) = (2/5).\r<BR>\n" );
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document.write( " </SPAN>\n" );
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