document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=834131>Question 834131</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A production batch is rejected if a sample of 25 items contains 2 defective<BR>\n" );
document.write( "items. A quality inspector randomly selects two items from a<BR>\n" );
document.write( "batch of 25; find the probability of rejecting the sample if the batch<BR>\n" );
document.write( "contains 5 defective items. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #502858 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=502858\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A production batch is rejected if a sample of 25 items contains 2 defective<BR>\n" );
document.write( "items. A quality inspector randomly selects two items from a<BR>\n" );
document.write( "batch of 25; find the probability of rejecting the sample if the batch<BR>\n" );
document.write( "contains 5 defective items.<BR>\n" );
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document.write( "# of ways to select 2 defective = 5C2 = 10<BR>\n" );
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document.write( "# of randomly selected pairs: 25C2 = 600<BR>\n" );
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document.write( "P(reject sample) = 10/600 = 1/60<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "=============== </SPAN>\n" );
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