document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=48199>Question 48199</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can I use the formula for combinations of n objects for this problem?\r<BR>\n" );
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document.write( "A twenty -question, four-option multiple choice examination is given as a pre-employment test. In how many ways could a prospective employee answer this question on this test by just guessing? Assume that all questions are answered?\r<BR>\n" );
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document.write( "C= 20!/4!(20-4) = 20!/4!16! = 116280/24=4845\r<BR>\n" );
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document.write( "Thanks!!! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #31914 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=31914\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Each question can be answered in 4 ways.<BR>\n" );
document.write( "There are 20 questions.<BR>\n" );
document.write( "20*4 = 80\r<BR>\n" );
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document.write( "I think your approach tells you the number of ways of selecting<BR>\n" );
document.write( "4 of the 20 questions to answer.\r<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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