document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1021310>Question 1021310</A>: <I><SPAN STYLE=\"word-break: break-all;\">  You own 21 CDs. You want to randomly arrange 9 of them in a CD rack. What is the probability that the rack ends up in alphabetical order?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #637079 by </B><A HREF=/tutors/aboutme.mpl?userid=robertb><B>robertb(5830)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=robertb><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=robertb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=637079\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Since there is only one arrangement out of 9! where the CD's are in alphabetical order, the probability that the rack ends up in alphabetical order is 1/9! = 1/362,880. </SPAN>\n" );
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