document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=388801>Question 388801</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A secretary types letters to 4 people and addresses four envelopes. If she inserts the letters at random each in a different then what is the probability that exactly 3 letters will go in to the correct envelopes   </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #275212 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=275212\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If 3 letters go in to the correct envelopes  then ALL 4 letters would have been inserted in the correct envelopes, which is 1 chance in 4! = 24 ways.  Therefore the probability is 1/24. </SPAN>\n" );
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