document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=522253>Question 522253</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If a couple plans on haveing 4 children, what is the probability that there will atleast have one boy? assume boys and girls are equally likely. is that probability high enough for the couple to be very confident that they will atleast get one boy? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #346761 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=346761\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If a couple plans on having 4 children, what is the probability that there will at least have one boy? assume boys and girls are equally likely. is that probability high enough for the couple to be very confident that they will atleast get one boy?<BR>\n" );
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document.write( "P(at least one boy) = 1 - P(4 girls) = 1 - (1/2)^4 = 15/16<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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