document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=269015>Question 269015</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a couple has 4 children find the probability 3 are girls </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #197151 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=197151\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a couple has 4 children find the probability 3 are girls<BR>\n" );
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document.write( "It's the same as the probability of having 1 boy.<BR>\n" );
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document.write( "P(3 girls in 4) = 4C3(1/2)^3(1/2) = 4(1/2)^4 = 4(1/16) = 1/4<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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