document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=432790>Question 432790</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the probability of at least 2 girls in 8 births. Assume that male and female births are equally likely and that the 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 #307618 by </B><A HREF=/tutors/aboutme.mpl?userid=jorel1380><B>jorel1380(3719)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jorel1380><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/cgi-bin/show-face.mpl?user=jorel1380><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=307618\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The probability of at least 2 girls out of 8 births is the same as 1 minus the probability of 8 boys and 7 boys.  <BR>\n" );
document.write( "8 boys =1/256<BR>\n" );
document.write( "7 boys =1/128<BR>\n" );
document.write( "8 boys + 7 boys =3/256<BR>\n" );
document.write( "Probability of at least 2 girls is 256-3/256=253/256=.98828125.. </SPAN>\n" );
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