document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=390478>Question 390478</A>: <I><SPAN STYLE=\"word-break: break-all;\"> There are 2 girls and 7 boys in a math club. A team of four persons must be chosen for a tournament, and there must be at least 1 girl on the team. In how many ways can this be done? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #276861 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=276861\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  There are 2 girls and 7 boys in a math club. A team of four persons must be chosen for a tournament, and there must be at least 1 girl on the team. In how many ways can this be done?<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "P(at least one girl on the team) = 1 - P(no girls on the team)<BR>\n" );
document.write( "---<BR>\n" );
document.write( "= 1 - 7C4/9C4<BR>\n" );
document.write( "= 1 - 0.278<BR>\n" );
document.write( "= 0.722<BR>\n" );
document.write( "===============<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );