document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=347209>Question 347209</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many ways can you answer 15 true/false questions? i thought since there were 2 answers for every question thats 30 answers total so the final answer to the question would be 30 choose 15.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #248281 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=248281\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How many ways can you answer 15 true/false questions? i thought since there were 2 answers for every question thats 30 answers total so the final answer to the question would be 30 choose 15. <BR>\n" );
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document.write( "Each question can be answered in 2 ways.<BR>\n" );
document.write( "1 question: 2 ways<BR>\n" );
document.write( "2 questions: 2^2 ways (tt,tf,ft,ff)<BR>\n" );
document.write( "3 questions: 2^3 ways (ttt, ftt,tft,ttf,tff,ftf,fft,fff)<BR>\n" );
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document.write( "15 questions: 2^15 = 32,768 ways<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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