document.write( "Question 411367: When a group of five single births are recorded what is the probability that at least 4 are boys. Assume that boys and girls are equally likely. (Hint: Need a probability distribution) \n" ); document.write( "
Algebra.Com's Answer #289201 by stanbon(75887)\"\" \"About 
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When a group of five single births are recorded what is the probability that at least 4 are boys. Assume that boys and girls are equally likely. (Hint: Need a probability distribution)
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\n" ); document.write( "Since each birth is either boy or girl this is
\n" ); document.write( "a binomial probability problem.
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\n" ); document.write( "n = 5 ; p = 1/2
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\n" ); document.write( "P(x >=4) = 1 - binomcdf(5,0.5,3) = 0.1875
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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