document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1111761>Question 1111761</A>: <I><SPAN STYLE=\"word-break: break-all;\">  Please help!! <BR>\n" );
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document.write( "A box contains 4 red and 7 green marbles. You reach in and remove 2 marbles all at once. What is the probability of picking one red marble, and one green marble?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #726780 by </B><A HREF=/tutors/aboutme.mpl?userid=rothauserc><B>rothauserc(4718)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rothauserc><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=rothauserc><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=726780\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> probability (P) of picking one red marble, and one green marble is<BR>\n" );
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document.write( "there are 11C2 ways to pick two marbles out of 11 without replacement, where 11C2 = 11!/(2! * (11-2)!) = 55 ways<BR>\n" );
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document.write( "then we have<BR>\n" );
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document.write( "(4C1 * 7C1) / 55 = 28/55 = 0.5091<BR>\n" );
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