document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=689183>Question 689183</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A bag contains 20 blue and 15 green marbles.  Two marbles, without replacement, are drawn at random.\r<BR>\n" );
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document.write( "What is the probability that both are blue?<BR>\n" );
document.write( "What is the probability that at least one of them is blue?<BR>\n" );
document.write( "What is the probability that at least one of them is green? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #425852 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=425852\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A bag contains 20 blue and 15 green marbles. Two marbles, without replacement, are drawn at random. <BR>\n" );
document.write( "What is the probability that both are blue?<BR>\n" );
document.write( "Ans: 20C2/35C2 = 0.3193<BR>\n" );
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document.write( "What is the probability that at least one of them is blue?<BR>\n" );
document.write( "Ans: 1 - 15C2/35C2 = 1 - 0.1765 = 0.8235<BR>\n" );
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document.write( "What is the probability that at least one of them is green?<BR>\n" );
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document.write( "Ans: 1 - 0.3193 = 0.6807<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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