document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=136010>Question 136010</A>: <I><SPAN STYLE=\"word-break: break-all;\"> in a family of six children, what is the probability of having at least three girls? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #99658 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=99658\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> in a family of six children, what is the probability of having at least three girls?<BR>\n" );
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document.write( "That also is a binomial problem.<BR>\n" );
document.write( "You want Prob(3 or 4 or 5 or 6 girls in 6 \"experiments\")<BR>\n" );
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document.write( "That can be done with a binomial chart, which you might have, or<BR>\n" );
document.write( "with a calculator:<BR>\n" );
document.write( "Ans: P(at least3 in 6) = 1 - binomcdf(6,1/2,2) = 0.65625...<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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