document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1056583>Question 1056583</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A fair coin is flipped 5 times. What is the probability of getting at least 4 tails? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #671694 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=671694\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> At least 4 tails = probability of 4 tails and probability of 5 tails.<BR>\n" );
document.write( "For 4, there are 5 different ways(1/2)^4(1/2)=5/32<BR>\n" );
document.write( "For 5 tails, it is (1/2)^5=1/32<BR>\n" );
document.write( "Total is 6/32 or 3/16<BR>\n" );
document.write( "Pascal's triangle for 5 flips is 1==5==10==10=5==1 </SPAN>\n" );
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