document.write( "Question 1130193: If the probability a child is a boy is 1/2 and sex is independent from child to child, what is the probability in
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Algebra.Com's Answer #746889 by ikleyn(52787)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "(a)  \"%281%2F2%29%2A%281%2F2%29%2A%281%2F2%29%2A%281%2F2%29\" = \"1%2F2%5E4\" = \"1%2F16\".\r\n" );
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document.write( "(b)  1 - P(all 4 children are girls) = \"1\" - \"1%2F2%5E4\" = \"1+-+1%2F16\" = \"15%2F16\".\r\n" );
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document.write( "(c)  \"C%5B4%5D%5E2%2A%281%2F2%29%2A%281%2F2%29%2A%281%2F2%29%2A%281%2F2%29\" = \"%28%284%2A3%29%2F2%29%2A%281%2F16%29\" = \"6%2F16\" = \"3%2F8\".\r\n" );
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