document.write( "Question 376302: probability: how many boys out of 4 newborns \n" ); document.write( "

Algebra.Com's Answer #267705 by Fombitz(32388) $\"\"$ $\"About$

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Out of $\"4\"$ newborns, you get $\"2%5E4=16\"$ possible outcomes.
\n" ); document.write( " $\"BBBB=4+B\"$
\n" ); document.write( " $\"BBBG=3++B\"$
\n" ); document.write( " $\"BBGB=3++B\"$
\n" ); document.write( " $\"BBGG=2++B\"$
\n" ); document.write( " $\"BGBB=3++B\"$
\n" ); document.write( " $\"BGBG=2++B\"$
\n" ); document.write( " $\"BGGB=2+B\"$
\n" ); document.write( " $\"BGGG=1++B\"$
\n" ); document.write( " $\"GBBB=3++B\"$
\n" ); document.write( " $\"GBBG=2++B\"$
\n" ); document.write( " $\"GBGB=2++B\"$
\n" ); document.write( " $\"GBGG=1++B\"$
\n" ); document.write( " $\"GGBB=2++B\"$
\n" ); document.write( " $\"GGBG=1++B\"$
\n" ); document.write( " $\"GGGB=1++B\"$
\n" ); document.write( " $\"GGGG=0++B\"$
\n" ); document.write( "So then the probability is,
\n" ); document.write( "4 boys: $\"P%284+B%29=1%2F16\"$
\n" ); document.write( "3 boys: $\"P%283+B%29=4%2F16=1%2F4\"$
\n" ); document.write( "2 boys: $\"P%282+B%29=6%2F16=3%2F8\"$
\n" ); document.write( "1 boys: $\"P%281+B%29=4%2F16=1%2F4\"$
\n" ); document.write( "0 boys: $\"P%280+B%29=1%2F16\"$
\n" ); document.write( " \n" ); document.write( "

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