document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=478461>Question 478461</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how to solve this problem an urn contains 6 red, 4 blue, 2 green, 3 yellow marbles. if 4 marbles are picked at random , what is the probability that at least one is blue </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #327825 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=327825\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> how to solve this problem an urn contains 6 red, 4 blue, 2 green, 3 yellow marbles. if 4 marbles are picked at random , what is the probability that at least one is blue<BR>\n" );
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document.write( "P(at least one blue) = 1 - P(none is blue)<BR>\n" );
document.write( "----<BR>\n" );
document.write( "= 1 - [11C4/15C4]<BR>\n" );
document.write( "----<BR>\n" );
document.write( "= 1 - [330/1365]<BR>\n" );
document.write( "=====================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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