document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=835843>Question 835843</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A batch of 10 gaskets contains 4 defective gaskets. If we draw samples of size 3 without replacement, from the batch of 10, find the probability that a sample contains 2 defective gaskets. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #503754 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=503754\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> There are 8 ways to choose 3 gaskets (N-no defect, D-defect)<BR>\n" );
document.write( "NNN<BR>\n" );
document.write( "NND<BR>\n" );
document.write( "NDN<BR>\n" );
document.write( "NDD<BR>\n" );
document.write( "DNN<BR>\n" );
document.write( "DND<BR>\n" );
document.write( "DDN<BR>\n" );
document.write( "DDD<BR>\n" );
document.write( "Three have 2 defective gaskets (NDD,DND,DDN) and their probabilities would be <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P=%284%2F10%29%284%2F10%29%286%2F10%29=0.096 ALIGN=MIDDLE  ALT=\"P=%284%2F10%29%284%2F10%29%286%2F10%29=0.096\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Then for all three cases,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P=3%280.096%29=0.288 ALIGN=MIDDLE  ALT=\"P=3%280.096%29=0.288\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );