document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=875863>Question 875863</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A multiple choice trivia quiz has 10 questions, each with 5 possible answers. If someone guesses each answer randomly, what is the probability of acheiving 80% or better on the test?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #528454 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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/cgi-bin/show-face.mpl?user=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=528454\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> p(c0rrect) =.2,   n = 10<BR>\n" );
document.write( "80% is 8 correct<BR>\n" );
document.write( "Using TI<BR>\n" );
document.write( "P(x &#8805; 8) = 1 - binomcdf(10, .2, 7) = .00008  0r .008%<BR>\n" );
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