document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=522937>Question 522937</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 6.	Fifty faculty travel expense vouchers were submitted to the statistics department during the summer.  Of these 20 contained errors.  If five vouchers are selected at random what is the probability that:<BR>\n" );
document.write( "a.	None contain errors.<BR>\n" );
document.write( "b.	One contains an error<BR>\n" );
document.write( "c.	Three or more contain errors<BR>\n" );
document.write( "d.	What kind of probability distribution did you use to solve this problem?<BR>\n" );
document.write( "e.	Make a graph of the PDF<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 #347085 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=347085\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Fifty faculty travel expense vouchers were submitted to the statistics department during the summer. Of these 20 contained errors. If five vouchers are selected at random what is the probability that:<BR>\n" );
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document.write( "Binomial Problem with n = 5 and p(error) = (20/50) = 2/5 p(no error) = 3/5<BR>\n" );
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document.write( "a. None contain errors.::::(3/5)^5<BR>\n" );
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document.write( "b. One contains an error:::5C1*(2/5)(3/5)^4<BR>\n" );
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document.write( "c. Three or more contain errors::: 1 - binomcdf(5,2/5,2)<BR>\n" );
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document.write( "d. What kind of probability distribution did you use to solve this problem?<BR>\n" );
document.write( "Binomial<BR>\n" );
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document.write( "e. Make a graph of the PDF<BR>\n" );
document.write( "If you have a TI calculator use the binompdf function key<BR>\n" );
document.write( "to find P(x = 0), P(x=1)....,P(x=5)<BR>\n" );
document.write( "where P(x=k) = nCk*p^k*q*(n-k)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.\r<BR>\n" );
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