document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=581023>Question 581023</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If the probability of having at least 1 boy in a 2-child family is 0.65, what is the probability of having 2 girls?\r<BR>\n" );
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document.write( "I was thinking that maybe i can multiply 1/ 0.65 x 2/1 but i dont think that's the solution. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #371443 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=371443\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If the probability of having at least 1 boy in a 2-child family is 0.65, what is the probability of having 2 girls? <BR>\n" );
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document.write( "P(at least one boy) = 1 - P(no boys) = 0.65<BR>\n" );
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document.write( "Then P(no boys) = 1-0.65 = 0.35<BR>\n" );
document.write( "P(2 girls) = P(no boys in a family of 2) = 0.35<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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