document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=293668>Question 293668</A>: <I><SPAN STYLE=\"word-break: break-all;\"> There are 7 books numbered 1–7 on the summer reading list. Peter randomly <BR>\n" );
document.write( "chooses 2 books. What is the probability that Peter chooses books numbered 1 and 2?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #211948 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=211948\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> There are 7 books numbered 1–7 on the summer reading list. Peter randomly <BR>\n" );
document.write( "chooses 2 books. What is the probability that Peter chooses books numbered 1 and 2? <BR>\n" );
document.write( "---------------------------<BR>\n" );
document.write( "Books 1 and 2 form one group.<BR>\n" );
document.write( "There are 7C2 = (7*6)/(1*2) = 21 groups of two<BR>\n" );
document.write( "------------------------------------------------<BR>\n" );
document.write( "P(choosing the 1,2 group) = 1/21<BR>\n" );
document.write( "===================================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );