document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1060502>Question 1060502</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Two urns contain white balls and yellow balls. The first urn contains 2 white balls and 7 yellow balls and the second urn contains 3 white balls and 10 yellow balls. A ball is drawn at random from each urn. What is the probability that both balls are white? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #675440 by </B><A HREF=/tutors/aboutme.mpl?userid=addingup><B>addingup(3677)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=addingup><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=addingup><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=675440\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Urn1: 2W & 7y<BR>\n" );
document.write( "Urn2: 3W & 10y<BR>\n" );
document.write( "P1 = P(Urn1 -> white ball)<BR>\n" );
document.write( "P2 = P(Urn2 -> white ball)<BR>\n" );
document.write( ":<BR>\n" );
document.write( "P = P1*P2 (P is the probability that both balls will be white)<BR>\n" );
document.write( "Now,<BR>\n" );
document.write( "In urn1, there are 9 balls in total, with 2 of them white:<BR>\n" );
document.write( "P1 = 2/9<BR>\n" );
document.write( "In urn2 there are 13 balls in total, with 3 of them white:<BR>\n" );
document.write( "P2 = 3/13<BR>\n" );
document.write( ":<BR>\n" );
document.write( "P = P1 * P2<BR>\n" );
document.write( "P = (2/9)*(3/13)<BR>\n" );
document.write( "P = 2/39 or in percentage 5.13% </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );