document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=509183>Question 509183</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 2. A bag contains 13 marbles: 6 red ones, 4 blue ones, and 3 yellow ones. Suppose that two marbles are selected without replacement. <BR>\n" );
document.write( "(a) What is the probability that a red marble, and then a yellow marble (in that order) are selected? \r<BR>\n" );
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document.write( "(b) What is the probability that neither of the two marbles is blue? <BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #341313 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=341313\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A bag contains 13 marbles: 6 red ones, 4 blue ones, and 3 yellow ones. <BR>\n" );
document.write( "Suppose that two marbles are selected without replacement.<BR>\n" );
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document.write( "(a) What is the probability that a red marble, and then a yellow marble (in that order) are selected?<BR>\n" );
document.write( "There are 13*12 = 156 ordered pairs to select.<BR>\n" );
document.write( "6*4 = 24 of them are red then blue<BR>\n" );
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document.write( "P(red then blue) = 24/156<BR>\n" );
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document.write( "(b) What is the probability that neither of the two marbles is blue?<BR>\n" );
document.write( "There are 156 pairs<BR>\n" );
document.write( "9*8 = 72 of them contain no blue<BR>\n" );
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document.write( "P(no blue) = 72/156<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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