document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=557193>Question 557193</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In a batch of 400 pieces, 10 are defective. 20 pieces are randomly chosen. What is the probability that no more than 6 pieces are defective? What is the probability that 0 pieces are defective? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #362496 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=362496\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> In a batch of 400 pieces, 10 are defective. 20 pieces are randomly chosen. What is the probability that no more than 6 pieces are defective? What is the probability that 0 pieces are defective?<BR>\n" );
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document.write( "Binomial Problem with n = 20 and p(defective) = 1/40<BR>\n" );
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document.write( "P(0<= x <= 6) = binomcdf(20,1/40,6) = 0.9999<BR>\n" );
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document.write( "P(x = 0) = 20C0(1/40)^0*(39/40)^20 = (39/40)^20 = 0.6027<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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