document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1031504>Question 1031504</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Records show that a child of parents with heart disease has a probability of (fraction) 6/7 of inheriting the disease. Assuming independence, what is the probability that, for a couple with heart disease that have two children: \r<BR>\n" );
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document.write( "(a) Both children have heart disease. Enter the exact answer. <BR>\n" );
document.write( "(b) Neither child has heart disease. Enter the exact answer. <BR>\n" );
document.write( "(c) Exactly one child has heart disease. Enter the exact answer </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #646289 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=646289\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> There are 4 possible outcomes for two kids(Y-has heart disease, Z-does not have heart disease)<BR>\n" );
document.write( "YY<BR>\n" );
document.write( "YZ<BR>\n" );
document.write( "ZY<BR>\n" );
document.write( "ZZ<BR>\n" );
document.write( "With the corresponding probability,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%28YY%29=%286%2F7%29%286%2F7%29=36%2F49 ALIGN=MIDDLE  ALT=\"P%28YY%29=%286%2F7%29%286%2F7%29=36%2F49\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%28YZ%29=%286%2F7%29%281%2F7%29=6%2F49 ALIGN=MIDDLE  ALT=\"P%28YZ%29=%286%2F7%29%281%2F7%29=6%2F49\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%28ZY%29=%281%2F7%29%286%2F7%29=6%2F49 ALIGN=MIDDLE  ALT=\"P%28ZY%29=%281%2F7%29%286%2F7%29=6%2F49\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%28ZZ%29=%281%2F7%29%281%2F7%29=1%2F49 ALIGN=MIDDLE  ALT=\"P%28ZZ%29=%281%2F7%29%281%2F7%29=1%2F49\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So,<BR>\n" );
document.write( "a)<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%28YY%29=36%2F49 ALIGN=MIDDLE  ALT=\"P%28YY%29=36%2F49\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "b)<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%28ZZ%29=1%2F49 ALIGN=MIDDLE  ALT=\"P%28ZZ%29=1%2F49\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "c) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P=P%28YZ%29%2BP%28ZY%29=12%2F49 ALIGN=MIDDLE  ALT=\"P=P%28YZ%29%2BP%28ZY%29=12%2F49\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );