document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=263061>Question 263061</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 70 %.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #193893 by </B><A HREF=/tutors/aboutme.mpl?userid=drk><B>drk(1908)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=drk><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=193893\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 70% of 20 = 14<BR>\n" );
document.write( "You need +14 and -6.<BR>\n" );
document.write( "P(pass) = (20c14)(1/4)^14*(1/4)^6<BR>\n" );
document.write( "P(pass) = 3.5252 x 10^(-8) </SPAN>\n" );
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