document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=867903>Question 867903</A>: <I><SPAN STYLE=\"word-break: break-all;\">  A quiz consists of 20 multiple-choice questions, each with 4 possible answers. For someone who makes random guesses for all of the answers, find the probability of passing if the minimum passing grade is 20 % </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #523265 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=523265\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A quiz consists of 20 multiple-choice questions, each with 4 possible answers. For someone who makes random guesses for all of the answers, find the probability of passing if the minimum passing grade is 20 %<BR>\n" );
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document.write( "Binomial Problem with n = 20 and p(correct) = 1/4<BR>\n" );
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document.write( "Note:: 0.20*20 = 4<BR>\n" );
document.write( "P(4 <= x <= 20) = 1 - binomcdf(20,1/4,3) = 0.7748<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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