document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1168146>Question 1168146</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An urn contains 7 blue, 7 yellow, and 8 gray marbles. Two marbles are randomly drawn from the urn. <BR>\n" );
document.write( "Find the probability the two marbles are the same color.<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 #792784 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=792784\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 22 marbles and choose 2.<BR>\n" );
document.write( "There are 22C2 or 231 ways.<BR>\n" );
document.write( "for 2 blue or 2 yellow, it is (7/22)(6/21)=42/462 each or 42/231<BR>\n" );
document.write( "for 2 gray it is (8/22)(7/21)=56/432 or 28/231<BR>\n" );
document.write( "So the answer is 70/231 or 0.3030 </SPAN>\n" );
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