document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1183647>Question 1183647</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me solve this. John forgot the last three digits of his friend's telephone number. He only remembers that the digits are not the same and are not even. What is the probability he dials the correct telephone number on the first try? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #814067 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=814067\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Dialing phone numbers works on the basis of the correct order of the digits. \r<BR>\n" );
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document.write( "Hence, the phone number XXXXXXX135 would be different from the number XXXXXXX315, or the number XXXXXXX531.\r<BR>\n" );
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document.write( "In other words, the probability that John dials the correct phone number on the first try is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2FP%285%2C3%29+=+highlight%281%2F60%29 ALIGN=MIDDLE  ALT=\"1%2FP%285%2C3%29+=+highlight%281%2F60%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > ~ 0.0167, to 4 d.p.\r<BR>\n" );
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