document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=762765>Question 762765</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the probability of at least 2girls in 9 births. Assume male/female are equally likely and births are independent events.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #464181 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=464181\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the probability of at least 2girls in 9 births. Assume male/female are equally likely and births are independent events.<BR>\n" );
document.write( "--------------<BR>\n" );
document.write( "Binomial Problem with n = 9 and p(girl) = 1/2<BR>\n" );
document.write( "--------<BR>\n" );
document.write( "P(2<= x <=9) = 1 - P(0<= x <=1) = 1 - binomcdf(9,1/2,1) = 0.9805<BR>\n" );
document.write( "===============<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "=============== <BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );