document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=287200>Question 287200</A>: <I><SPAN STYLE=\"word-break: break-all;\"> On a multiple choice examination with three possible answers (out of which only one is correct)for each of the five questions. what is the probability  that a candidate would get four or more correct answers just by guessing?   </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #208202 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=208202\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  On a multiple choice examination with three possible answers (out of which only one is correct)for each of the five questions. what is the probability that a candidate would get four or more correct answers just by guessing? <BR>\n" );
document.write( "-------------<BR>\n" );
document.write( "Binomial Problem with n = 5 and p = 1/3<BR>\n" );
document.write( "---<BR>\n" );
document.write( "P(4<= x <=5) = 1-P(0<= x <=3) = 1-binomcdf(5,1/3,3) = 0.9547<BR>\n" );
document.write( "==============<BR>\n" );
document.write( "I used a TI calculator to get the result.<BR>\n" );
document.write( "==============<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );