document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=733716>Question 733716</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The ratio of boys to girls at birth in a country is quite high at 1.09:1 .what proportion of families of that country with exactly 6 children will have at least 3 boys?(Ignore the probability of multiple births).\r<BR>\n" );
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document.write( "please solve the question & explain what they tried to mean by saying \"(Ignore the probability of multiple births).\"?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #448564 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=448564\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The ratio of boys to girls at birth in a country is quite high at 1.09:1 <BR>\n" );
document.write( "What proportion of families of that country with exactly 6 children will have at least 3 boys?<BR>\n" );
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document.write( "P(having a boy) = 1.09/(1+1.09) = 0.5215<BR>\n" );
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document.write( "Binomial Problem with n = 6<BR>\n" );
document.write( "P(3<= x <=6) = 1 - P(0<= x <=2) = 1 - binomcdf(6,0.5215,2) = 0.6957<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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document.write( "(Ignore the probability of multiple births). <BR>\n" );
document.write( "please solve the question & explain what they tried to mean by saying \"(Ignore the probability of multiple births).\"?<BR>\n" );
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