document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=924700>Question 924700</A>: <I><SPAN STYLE=\"word-break: break-all;\"> bill is taking a 10-question multiple choice exam. each question has 5 answers, of which only one is correct. since bill has missed every class, he doesn't know any of the answers and decides to guess on all 10 questions. find the probability that bill will answer at least half of the question correctly. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #561032 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=561032\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> bill is taking a 10-question multiple choice exam. each question has 5 answers, of which only one is correct. since bill has missed every class, he doesn't know any of the answers and decides to guess on all 10 questions. find the probability that bill will answer at least half of the question correctly.<BR>\n" );
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document.write( "Binomial Problem with n = 10 and p(correct) = 1/5<BR>\n" );
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document.write( "P(5<= x <=10) = 1 - binomcdf(10,1/5,4) = 0.0328<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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