document.write( "Question 1126990: Alice and Bill are planning to have three children. (Assume that it is equally likely for a boy or a girl to be born). What is the probability that at least one will be a girl? The probability that at least one will be a girl is _____% \n" ); document.write( "
Algebra.Com's Answer #743341 by Boreal(15235)\"\" \"About 
You can put this solution on YOUR website!
probability none is a girl is (1/2)^3=1/8
\n" ); document.write( "so probability at least one is a girl is 7/8 or 87.5%
\n" ); document.write( "
\n" );