document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=746085>Question 746085</A>: <I><SPAN STYLE=\"word-break: break-all;\"> You have a ten question multiple choice test in your next class and you did not study at all. Each question has four choices and only one correct answer. You are going to guess on each question. What is the probability that you score at least a 20% on the test? \r<BR>\n" );
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document.write( "Help much needed and appreciated. \r<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 #454151 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=454151\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You have a ten question multiple choice test in your next class and you did not study at all. Each question has four choices and only one correct answer. You are going to guess on each question. What is the probability that you score at least a 20% on the test? <BR>\n" );
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document.write( "Binomial Problem with n = 10 and p(correct) = 1/4<BR>\n" );
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document.write( "P(2<= x <=10) = 1 - P(0<= x <=1) = 1-binomcdf(10,1/4,1) = 0.756<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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