document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1197863>Question 1197863</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A shipment of 10 printers contains 4 that are defective. Find the probability that a sample of size 4 ​, drawn from the 10 ​, will not contain a defective printer.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #831296 by </B><A HREF=/tutors/aboutme.mpl?userid=math_tutor2020><B>math_tutor2020(3817)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=math_tutor2020><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=831296\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font color=black size=3><BR>\n" );
document.write( "10 total, 4 defective<BR>\n" );
document.write( "10-4 = 6 not defective\r<BR>\n" );
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document.write( "A = 6/10 = probability first selection is not defective<BR>\n" );
document.write( "B = 5/9 = probability 2nd selection is not defective, given event A occurred prior (no replacement)<BR>\n" );
document.write( "C = 4/8 = probability 3rd selection is not defective, given events A & B occurred prior (no replacement)<BR>\n" );
document.write( "D = 3/7 = probability 4th selection is not defective, given events A,B,C occurred prior (no replacement)\r<BR>\n" );
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document.write( "E = probability selecting four non-defective units<BR>\n" );
document.write( "E = A*B*C*D<BR>\n" );
document.write( "E = (6/10)*(5/9)*(4/8)*(3/7)<BR>\n" );
document.write( "E = (6*5*4*3)/(10*9*8*7)<BR>\n" );
document.write( "E = (2*3*5*2*2*3)/(2*5*3*3*2*2*2*7)<BR>\n" );
document.write( "E = (1)/(2*7)<BR>\n" );
document.write( "E = 1/14\r<BR>\n" );
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document.write( "Answer: 1/14<BR>\n" );
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