document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=384436>Question 384436</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Four fair coins are tossed at once. If the outcomes are assumed independent, what is the probability that two heads and two tails are obtained? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #272197 by </B><A HREF=/tutors/aboutme.mpl?userid=mtmorro><B>mtmorro(23)</B></A><img src=\"/images/stars/stars-07.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mtmorro><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=mtmorro><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=272197\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 4 heads <BR>\n" );
document.write( "4 tails \r<BR>\n" );
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document.write( "Each is 50/50 so being tails 50% of the time and heads 50% of the time.\r<BR>\n" );
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document.write( "50% + 50% = 100% tails that 2 of the 4 <BR>\n" );
document.write( "50% + 50% = 100% heads of 2 of the 4 <BR>\n" );
document.write( "with 4 coins tossed fairly there is 100% chance of 2 being heads and 100% chance of 2 being tails. 2/4 2/4   of each evenly. \r<BR>\n" );
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document.write( "2/4 tails 2/4 heads  </SPAN>\n" );
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