document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1017445>Question 1017445</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A safety committee of 2 has to be firmed from 30 studentd. 8 study physics. 10 study chemistry.  12 study biology. If the same student cannot be choosen twice whats the probability that<BR>\n" );
document.write( "A. Both students are studing physics<BR>\n" );
document.write( "B. The first studies biology the second studies chemistry<BR>\n" );
document.write( "C. That both students choosen study same subject </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #633740 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=633740\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "p(both studying physics)=(8/30)(7/29)=28/435<BR>\n" );
document.write( "P(biology1 chemistry2)=(12/30)(10/29)=4/29<BR>\n" );
document.write( "P(same subject)=28/435 (or 56/870) + (10/30)(9/29)+(12/30)(11/29)=<BR>\n" );
document.write( "(56+90+132)/870=<BR>\n" );
document.write( "(278/870)=(139/435) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );