document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1079030>Question 1079030</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A bag contains 12 red pens, 12 blue pens, and 12 green pens. What is the probability of drawing two pens of the same color in the row?\r<BR>\n" );
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document.write( "thank you for your help </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #693392 by </B><A HREF=/tutors/aboutme.mpl?userid=natolino_2017><B>natolino_2017(77)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=natolino_2017><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=693392\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> P(Drawing two pens of the zame color)= P(Drawing two red pens or Drawing two blue pens or Drawing two green pens)= 3*P(Drawing two red pens)=\r<BR>\n" );
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document.write( "3*(12/36*11/35)=11/1260= 0.00873=8.73%.\r<BR>\n" );
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document.write( "When you have options you must add this probabilities,as every option has the same probability, you multiply one of them by 3.\r<BR>\n" );
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document.write( "In your first drawing you have 12 red pens and 36 pens. so the Probability is 12/36. on your second drawing, you have 11 red pens and 35 pens, so the probabiliy is 11/35. You need that both drawing been simultaneous. So you multiply this two results.\r<BR>\n" );
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document.write( "@natolino_ </SPAN>\n" );
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