document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1034065>Question 1034065</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a bag contains 10 red balls 15 green balls and 5 purple balls if two balls are chosen at random without replacement what is the probability that  both of them are the same color? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #648683 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=648683\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a bag contains 10 red balls 15 green balls and 5 purple balls if two balls are chosen at random without replacement what is the probability that both of them are the same color?<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "# of same-color pairs:: 10C2 + 15C2 + 5C2 = 45+95+10 = 150<BR>\n" );
document.write( "------<BR>\n" );
document.write( "# of random pairs:: 30C2 = 435<BR>\n" );
document.write( "----<BR>\n" );
document.write( "P(same-color pills) = 150/435 = 0.345<BR>\n" );
document.write( "-------------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "----------- <BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );