document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=292242>Question 292242</A>: <I><SPAN STYLE=\"word-break: break-all;\"> There are 15 balls in a rectangular box 5 are red, 6 are yellow and the rest is green. If 2 balls are selected at random without replacement one after the other, what is the probability that they are: a) both green (b) of 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 #211156 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=211156\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> There are 15 balls in a rectangular box 5 are red, 6 are yellow and the rest is green. If 2 balls are selected at random without replacement one after the other, what is the probability that they are: <BR>\n" );
document.write( "a) both green<BR>\n" );
document.write( "There are 4 green balls, 15 balls total.<BR>\n" );
document.write( "The 1st is 4/15, the 2nd is 3/14.<BR>\n" );
document.write( "(4/15)*(3/14) = 2/35<BR>\n" );
document.write( "(b) of the same color. <BR>\n" );
document.write( "That can be:<BR>\n" );
document.write( "2 red<BR>\n" );
document.write( "(5/15)*(4/14) = 20/210<BR>\n" );
document.write( "2 yellow<BR>\n" );
document.write( "(6/15)*(5/14) = 30/210<BR>\n" );
document.write( "2 green = 12/210<BR>\n" );
document.write( "------------------<BR>\n" );
document.write( "Add those up = 62/210 = 31/105<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );