document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=278601>Question 278601</A>: <I><SPAN STYLE=\"word-break: break-all;\"> in a shipment of 11 CD players, two are defective. Find the probability that a sample of 2 CD players will not contain any that are defective. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #202722 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=202722\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2/11 probability a player will be defective<BR>\n" );
document.write( "let a=2/11, b=9/11<BR>\n" );
document.write( "(a+b)^2=a^2+2ab+b^2 <BR>\n" );
document.write( "probability none defective = b^2 = (9/11)^2 = 81/121 = .6694<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Ed </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );