document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1153836>Question 1153836</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A fair coin is tossed 3 times. What is the probability that it is all heads or tails?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #776139 by </B><A HREF=/tutors/aboutme.mpl?userid=rothauserc><B>rothauserc(4718)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rothauserc><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=rothauserc><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=776139\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> probability(P) of getting a head on a fair coin toss = 1/2<BR>\n" );
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document.write( "P of getting 3 heads in a row is (1/2)^3 = 1/8<BR>\n" );
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document.write( "the same reasoning holds for 3 tails, therefore<BR>\n" );
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document.write( "P(a fair coin, tossed 3 times is all heads or all tails) = 1/8 + 1/8 = 2/8 = 1/4<BR>\n" );
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