document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1082467>Question 1082467</A>: <I><SPAN STYLE=\"word-break: break-all;\"> There are 20 questions on a multiple choice exam, each with four possible answers. If a student guesses on all twenty questions, what is the probability the student gets six questions correct? Express your answer as a percent rounded to the nearest tenth. \r<BR>\n" );
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document.write( "A) 16.9%<BR>\n" );
document.write( "B) 11.9%<BR>\n" );
document.write( "C) 14.9%<BR>\n" );
document.write( "D) 18.9% </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #696559 by </B><A HREF=/tutors/aboutme.mpl?userid=math_helper><B>math_helper(2461)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=math_helper><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=math_helper><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=696559\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I assume the problem means exactly 6, and not \"6 or more\":\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%280.25%29%5E6+%2A%280.75%29%5E14+%2A+20C6+=+0.1686+ ALIGN=MIDDLE  ALT=\"+%280.25%29%5E6+%2A%280.75%29%5E14+%2A+20C6+=+0.1686+\"   DISABLED_style= \"max-width:90%; height:auto;\" > or  16.9 % \r<BR>\n" );
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document.write( "——<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%280.25%29%5E6%2A%280.75%29%5E14+ ALIGN=MIDDLE  ALT=\"+%280.25%29%5E6%2A%280.75%29%5E14+\"   DISABLED_style= \"max-width:90%; height:auto;\" > represents one instance of getting 6 questions correct out of 20 (say the first 6 correct and the remaining 14 incorrect).<BR>\n" );
document.write( "20C6  is the number of arrangements of those 6 correct answers out of a field of 20 questions </SPAN>\n" );
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