document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1144488>Question 1144488</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A couple has two children and at least one is a boy. What is the probability that they have two boys? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #765628 by </B><A HREF=/tutors/aboutme.mpl?userid=math_helper><B>math_helper(2461)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=math_helper><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=math_helper><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=765628\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> For two children in a family, here are the possibilities:<br>\r<BR>\n" );
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document.write( "B,B<BR>\n" );
document.write( "B,G<BR>\n" );
document.write( "G,B<BR>\n" );
document.write( "G,G<br>\r<BR>\n" );
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document.write( "Since we are told that at least one child is a boy, we can eliminate the fourth choice as a possibility for this family.  Only 1 out of the 3 remaining choices has B,B  so  the probability  for two boys, given that at least one is a boy, is  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+highlight+%281%2F3%29+ ALIGN=MIDDLE  ALT=\"+highlight+%281%2F3%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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