document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1124055>Question 1124055</A>: <I><SPAN STYLE=\"word-break: break-all;\"> two bad light bulbs get mixed up with seven good ones.if you take two of the bulbs, what is the probability that both are bad? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #740462 by </B><A HREF=/tutors/aboutme.mpl?userid=Alex.33><B>Alex.33(110)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alex.33><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=Alex.33><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=740462\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> number of cases-<BR>\n" );
document.write( "get 2 bad ones: 1 case(since there are only 2 bad bulbs).<BR>\n" );
document.write( "get 2 randomly(overall):2c9=36.<BR>\n" );
document.write( "probability=1/36 (since they are chosen randomly the possibility for all possibilities should be the same)<BR>\n" );
document.write( "And we're done. This is a fundamental approach when it comes to random selection and probabilities: go to the number of cases included, instead of playing with abstract probabilities. </SPAN>\n" );
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