document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=749507>Question 749507</A>: <I><SPAN STYLE=\"word-break: break-all;\"> suppose you recieve a shipment of 100 ipads, 5 of which are defective. what is the probability of picking a sample of 15 ipads and having two of them be defective? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #456073 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=456073\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> suppose you recieve a shipment of 100 ipads, 5 of which are defective. what is the probability of picking a sample of 15 ipads and having two of them be defective?<BR>\n" );
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document.write( "Assuming there is no replacement in the selection,<BR>\n" );
document.write( "# of ways to succeed: 5C2*95C13 = 3.490x10^16 ways<BR>\n" );
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document.write( "# of random groups of 15: 100C15 = 2.53x10^17 ways<BR>\n" );
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document.write( "P(2 defective) = 3.49x10^16/2.53*10^17 = 0.1377<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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