document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=333881>Question 333881</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A bag contains 3 blue balls,5 red balls, and 4 yellow balls. One ball is taken at random,its colour noted,and then put back into the bag.A second ball is taken at random,and again its colour is noted.                                       \r<BR>\n" );
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document.write( "What is the probability that the both balls are the same colour? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #239277 by </B><A HREF=/tutors/aboutme.mpl?userid=jrfrunner><B>jrfrunner(365)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jrfrunner><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=jrfrunner><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=239277\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> total number of balls= 3+5+4=12<BR>\n" );
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document.write( "P(selecting two balls with replacement of the same color)<BR>\n" );
document.write( "= P(RR)+P(BB)+P(YY)=(3/12)*(3/12)+(5/12)*(5/12)+(4/12)*(4/12)<BR>\n" );
document.write( "=(1/4)^2 + (5/12)^2 + (1/3)^2=1/16+25/144+1/9=0.347<BR>\n" );
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