document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1055830>Question 1055830</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An instructor gives a pop quiz consisting of 10 multiple choice questions, where each question has 5 choices, (a) through (e). What is the probability of passing the pop quiz if you guess the answers? Passing means getting 8 out of 10 questions correct.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #671003 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=671003\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> There are 3 ways to pass<BR>\n" );
document.write( "Guess all 10, a probability of 0.2^10=1 x 10^(-7)<BR>\n" );
document.write( "Guess 9, which is 10 (10 different ways)(0.2^9)(0.8)=4 x 10^-6<BR>\n" );
document.write( "Guess 8, of which there are 45 different ways, 0.2^8(0.8)^2=0.00007<BR>\n" );
document.write( "Their sum is 0.0000741 </SPAN>\n" );
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