document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=844896>Question 844896</A>: <I><SPAN STYLE=\"word-break: break-all;\"> an urn contains 4 black marbles, 3 red marbles, and 5 green marbles. Three marbles are selected without replacement. Find the probability that at least one red marble is selected </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #509099 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=509099\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Look at all of the combinations that don't have R in them and calculate the probabilities<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=BBB=4%2A4%2A4%2F12%5E3=64%2F1728 ALIGN=MIDDLE  ALT=\"BBB=4%2A4%2A4%2F12%5E3=64%2F1728\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=BBG=4%2A4%2A5%2F12%5E3=80%2F1728 ALIGN=MIDDLE  ALT=\"BBG=4%2A4%2A5%2F12%5E3=80%2F1728\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=BGB=4%2A5%2A4%2F12%5E3=80%2F1728 ALIGN=MIDDLE  ALT=\"BGB=4%2A5%2A4%2F12%5E3=80%2F1728\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=BGG=4%2A5%2A5%2F12%5E3=100%2F1728 ALIGN=MIDDLE  ALT=\"BGG=4%2A5%2A5%2F12%5E3=100%2F1728\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=GBB=5%2A4%2A4%2F12%5E3=80%2F1728 ALIGN=MIDDLE  ALT=\"GBB=5%2A4%2A4%2F12%5E3=80%2F1728\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=GBG=5%2A4%2A5%2F12%5E3=100%2F1728 ALIGN=MIDDLE  ALT=\"GBG=5%2A4%2A5%2F12%5E3=100%2F1728\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=GGB=5%2A5%2A4%2F12%5E3=100%2F1728 ALIGN=MIDDLE  ALT=\"GGB=5%2A5%2A4%2F12%5E3=100%2F1728\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=GGG=5%2A5%2A5%2F12%5E3=125%2F1728 ALIGN=MIDDLE  ALT=\"GGG=5%2A5%2A5%2F12%5E3=125%2F1728\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%28at+least+1+R%29%2BP%28no+R%29=1 ALIGN=MIDDLE  ALT=\"P%28at+least+1+R%29%2BP%28no+R%29=1\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%28no+R%29=%2864%2B3%2A80%2B3%2A100%2B125%29%2F1728=729%2F1728 ALIGN=MIDDLE  ALT=\"P%28no+R%29=%2864%2B3%2A80%2B3%2A100%2B125%29%2F1728=729%2F1728\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%28at+least+1+R%29=1-729%2F1728 ALIGN=MIDDLE  ALT=\"P%28at+least+1+R%29=1-729%2F1728\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%28at+least+1+R%29=999%2F1728 ALIGN=MIDDLE  ALT=\"P%28at+least+1+R%29=999%2F1728\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%28at+least+1+R%29=111%2F192 ALIGN=MIDDLE  ALT=\"P%28at+least+1+R%29=111%2F192\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );