document.write( "Question 448683: What is the probability in a family of four children that the first child born is a boy and the last child born is a girl?? \n" ); document.write( "
Algebra.Com's Answer #308796 by stanbon(75887)\"\" \"About 
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What is the probability in a family of four children that the first child born is a boy and the last child born is a girl??
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\n" ); document.write( "Pattern: b??g
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\n" ); document.write( "The ?? can be filled in 2*2 = 4 ways
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\n" ); document.write( "Total # of b??g patterns is 4
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\n" ); document.write( "# of possible 4 child patterns is 2^4 = 16
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\n" ); document.write( "P(b??g) = 4/16 = 1/4
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\n" ); document.write( "cheers,
\n" ); document.write( "Stan H.
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