document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=574210>Question 574210</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How is it written in a probability form, this question. If a family wants 3 kids, what are their chances of having at least 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 #369017 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=369017\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How is it written in a probability form, this question. If a family wants 3 kids, what are their chances of having at least one boy?<BR>\n" );
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document.write( "P(at least one boy) <BR>\n" );
document.write( "= 1 - P(3 girls) <BR>\n" );
document.write( "= 1 - (1/2)^3 <BR>\n" );
document.write( "= 1-(1/8) <BR>\n" );
document.write( "= 7/8<BR>\n" );
document.write( "----------------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );