document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=581798>Question 581798</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is probability of having less than 3 boys in a family if there are four children total? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #371810 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=371810\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> What is probability of having less than 3 boys in a family if there are four children total?<BR>\n" );
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document.write( "Binomial with n = 4 and p(boy) = P(girl) = 1/2<BR>\n" );
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document.write( "P(0<= x <=2) = binomcdf(4,1/2,2) = 0.6875<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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