document.write( "Question 854698: A household with three children is selected randomly. The children are reported according to their gender and serial number of their birth. What is the probability that the household has 2 boys. Show the calculation. \n" ); document.write( "

Algebra.Com's Answer #514872 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,
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document.write( "three children: p(boy) = 1/2, p(girl) = 1/2
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document.write( "May use Binomial Distribution Formula: 
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document.write( "P(x = 2 boys) =       |Note 3C2 = 3
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document.write( "Or counting
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document.write( "Note: 3 possible outcomes for the order 2 boys were born, P = 1/8 for each of them
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document.write( "GBB
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document.write( "BGB
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document.write( "BBG
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document.write( "P(x = 2 boys) = 
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