document.write( "Question 1118179: Christina is planning on having 7 children.\r
\n" ); document.write( "\n" ); document.write( "a. Determine the probability that all of her children will be girls.\r
\n" ); document.write( "\n" ); document.write( "b. If her first 6 children are boys and she is expecting another child, what is the probability that her 7th child will be a girl? \n" ); document.write( "

Algebra.Com's Answer #733434 by ikleyn(52834) $\"\"$ $\"About$

You can put this solution on YOUR website!
.
\n" ); document.write( "Christina is planning on having 7 children.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "

\r\n" );
document.write( "a.  Determine the probability that all of her children will be girls.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "       - This probability is   =  =  = 0.0078 = 0.78%.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "b.  If her first 6 children are boys and she is expecting another child, what is the probability that her 7th child will be a girl?\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "        - I don't know what Biology says in this case . . . \r\n" );
document.write( "\r\n" );
document.write( "          But the standard probabilistic model says that this probability is   = 0.5 = 50%.\r\n" );
document.write( "

\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );