document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=409103>Question 409103</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I have the the first part to this problem, I think. The tree diagram I have drawn but have no idea if it is correct.  I am completely stumped on the last 2 parts.  I have read and reread the material and even looked at how some of the problems are done on here. But I am still lost on this one.  PLEASE HELP! I have to turn it in this evening! Thanks...\r<BR>\n" );
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document.write( "Problem:<BR>\n" );
document.write( "A mini license plate for a toy car must consist of a two letters followed by a one digit odd number. Each letter must be a P, Q or a R. Repetition of letters is not permitted. \r<BR>\n" );
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document.write( "•	Use the counting principle to determine the number of points in the      sample space. <BR>\n" );
document.write( "•	Construct a tree diagram to represent this situation. <BR>\n" );
document.write( "•	List the sample space. <BR>\n" );
document.write( "•	Determine the exact probability of creating a mini license plate with a       Q. Give solution exactly in reduced fraction form. \r<BR>\n" );
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document.write( "A) P,Q, and R = 3 ways  1 digit odd # = 5 ways<BR>\n" );
document.write( "   3*5 = 15<BR>\n" );
document.write( "B) tree diagram<BR>\n" );
document.write( "   1st column P, Q, R<BR>\n" );
document.write( "   2nd column 1,3,5,7,9 beside each letter<BR>\n" );
document.write( "c) HELP!<BR>\n" );
document.write( "D) Help!<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 #288063 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=288063\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A)\r<BR>\n" );
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document.write( "# of letters possible * # of letters possible * # of odd digits\r<BR>\n" );
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document.write( "= 3 * 2 * 5\r<BR>\n" );
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document.write( "= 6 * 5 \r<BR>\n" );
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document.write( "= 30\r<BR>\n" );
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document.write( "So there are 30 different license plates (you're missing half of them)\r<BR>\n" );
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document.write( "B)\r<BR>\n" );
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document.write( "I can't draw here. \r<BR>\n" );
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document.write( "C)\r<BR>\n" );
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document.write( "Sample Space\r<BR>\n" );
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document.write( "{PQ1, PQ3, PQ5, PQ7, PQ9,<BR>\n" );
document.write( "PR1, PR3, PR5, PR7, PR9,<BR>\n" );
document.write( "QP1, QP3, QP5, QP7, QP9,<BR>\n" );
document.write( "QR1, QR3, QR5, QR7, QR9,<BR>\n" );
document.write( "RP1, RP3, RP5, RP7, RP9,<BR>\n" );
document.write( "RQ1, RQ3, RQ5, RQ7, RQ9}\r<BR>\n" );
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document.write( "D)\r<BR>\n" );
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document.write( "There are 20 license plates that have a Q in them, and they are\r<BR>\n" );
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document.write( "{PQ1, PQ3, PQ5, PQ7, PQ9,<BR>\n" );
document.write( "QP1, QP3, QP5, QP7, QP9,<BR>\n" );
document.write( "QR1, QR3, QR5, QR7, QR9,<BR>\n" );
document.write( "RQ1, RQ3, RQ5, RQ7, RQ9}\r<BR>\n" );
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document.write( "There are 30 plates total. So the probability is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=20%2F30=2%2F3 ALIGN=MIDDLE  ALT=\"20%2F30=2%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Jim </SPAN>\n" );
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