document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=555025>Question 555025</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a coin is biased so that a head is twice as likely to occur as a tail.If the coin is tossed 3 times, what is the probability of getting 2 tails and 1 head?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #361609 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=361609\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> h=2/3, t=1/3<BR>\n" );
document.write( "(h+t)^3<BR>\n" );
document.write( "nCr=3C2=3<BR>\n" );
document.write( "3ht^2<BR>\n" );
document.write( "= 3 * 2/3 * (1/3)^2<BR>\n" );
document.write( "=2/9 the probability of getting 2 tails and 1 head.<BR>\n" );
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document.write( "Ed<BR>\n" );
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