document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=758653>Question 758653</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Using a tree diagram, show all possible 'boy-girl' outcomes of a family having 3 children.<BR>\n" );
document.write( "Identify the probability of the family having<BR>\n" );
document.write( "(a) exactly 3 boys <BR>\n" );
document.write( "(b) at least 2 girls </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #461630 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=461630\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Using a tree diagram, show all possible 'boy-girl' outcomes of a family having 3 children.<BR>\n" );
document.write( "1st column of the tree: boy::::::girl::: 2 elements in 1st column<BR>\n" );
document.write( "-----------------<BR>\n" );
document.write( "2nd column of the tree: write boy and girl to the right of each element in 1st column::: 4 elements in 2nd column<BR>\n" );
document.write( "-----------------<BR>\n" );
document.write( "3rd column of the tree: write boy and girl to gthe right of each element is 2nd column::::8 elements in 3rd column<BR>\n" );
document.write( "-----------------<BR>\n" );
document.write( "Identify the probability of the family having<BR>\n" );
document.write( "(a) exactly 3 boys :::<BR>\n" );
document.write( "boy,boy,boy occurs once on the tree ::: P(bbb) = 1/8<BR>\n" );
document.write( "-------------------<BR>\n" );
document.write( "(b) at least 2 girls<BR>\n" );
document.write( "patterns: ggg,ggb,gbg,bgg::: P(>= 2 girls) = 4/8\r<BR>\n" );
document.write( "\n" );
document.write( "============<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "============ </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );