document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1160898>Question 1160898</A>: <I><SPAN STYLE=\"word-break: break-all;\"> When a particular machine is functioning properly, 80% of the items<BR>\n" );
document.write( "produced are non-defective.<BR>\n" );
document.write( "1. If six items are examined, what is the probability that exactly four are nondefective?<BR>\n" );
document.write( "2. If six items are examined, what is the probability that exactly three are<BR>\n" );
document.write( "defective?<BR>\n" );
document.write( "3. If six items are examined, what is the probability that at least four are nondefective<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #784325 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=784325\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> This is 6C4*0.8^4*0.2^2=0.2458 for 4<BR>\n" );
document.write( "6C3*0.8^3*0.2^3=0.0819<BR>\n" );
document.write( "for the third, look at 4,5,6.  We have 4 above<BR>\n" );
document.write( "5 is 0.3932<BR>\n" );
document.write( "6 is .8^6=0.2621<BR>\n" );
document.write( "Those three sum to 0.9011 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );