document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=27580>Question 27580</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Three coins are tossed.  What is the probability of two tails and one head? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #15006 by </B><A HREF=/tutors/aboutme.mpl?userid=longjonsilver><B>longjonsilver(2297)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=longjonsilver><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=longjonsilver><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=15006\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> just by thinking of all the possible outcomes, we could get...\r<BR>\n" );
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document.write( "TTT<BR>\n" );
document.write( "-----------<BR>\n" );
document.write( "TTH<BR>\n" );
document.write( "THT<BR>\n" );
document.write( "HTT<BR>\n" );
document.write( "-----------<BR>\n" );
document.write( "THH<BR>\n" );
document.write( "HTH<BR>\n" );
document.write( "HHT<BR>\n" );
document.write( "-----------<BR>\n" );
document.write( "HHH\r<BR>\n" );
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document.write( "Each roll has a probability of 1/2...3 in a row is (1/2)*(1/2)*(1/2) --> 1/8\r<BR>\n" );
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document.write( "So Each of the 8 possible outcomes above has probability of 1/8.\r<BR>\n" );
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document.write( "We want P(2 tails) = P(HTT) + P(THT) + P(TTH)<BR>\n" );
document.write( "--> 1/8 + 1/8 + 1/8<BR>\n" );
document.write( "-->3/8\r<BR>\n" );
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document.write( "jon.<BR>\n" );
document.write( " </SPAN>\n" );
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