Question 187394: What is the probability that if you have 8 kids, that at least 2 of them will be males? (Assume 7 births and P(male)=P(female)=.5 and births are independent events.)
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! What is the probability that if you have 8 kids, that at least 2 of them will be males? (Assume 7 births and P(male)=P(female)=.5 and births are independent events.)
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It's a binomial problem with n = 8,p = 1/2 ; 2 <= x <= 8
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P(2 <= x <= 8) = 1 - binomcdf(8,0.5,1) = 0.9648
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Cheers,
Stan H.
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