document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=187399>Question 187399</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the probability of getting 2 heads if a coin is tossed 3 times? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #140466 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=140466\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> What is the probability of getting 2 heads if a coin is tossed 3 times?<BR>\n" );
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document.write( "It's a binomial problem with n=3, p = 1/2 , x = 2<BR>\n" );
document.write( "P(x=2) = 3C2(1/2)^2(1/2)^1 = 3(1/2)^3 = 3/8<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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