document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1171068>Question 1171068</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A shipment of assembly parts from a vendor offering inexpensive parts is used in a manufacturing plant. The box of 12 parts contains 5 that are defective and will not fit during assembly. A worker picks parts one at a time and attempts to install them. Find the probability of each outcome.\r<BR>\n" );
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document.write( "(a) The first two chosen are both good.<BR>\n" );
document.write( "(b) At least one of the first three is good.<BR>\n" );
document.write( "(c) The first four picked are all good.<BR>\n" );
document.write( "(d) The worker has to pick five parts to find one that is good </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #795982 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=795982\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> probability is 7/12*(6/11)=7/22<BR>\n" );
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document.write( "probability none of the three is good is (5/12)(4/11)(3/10)=60/1320=1/22. So at least 1 is good is 21/22. <BR>\n" );
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document.write( "(7/12)(6/11)(5/10)(4/9)=42/132* 2/9=7/99=0.0707<BR>\n" );
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document.write( "(5/12)(4/11)(3/10)(2/9)(7/8)=7/792=0.0088 </SPAN>\n" );
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