SOLUTION: determine the probability of having 2 girls and 2 boys in a 4-child family.
Algebra.Com
Question 448765: determine the probability of having 2 girls and 2 boys in a 4-child family.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
determine the probability of having 2 girls and 2 boys in a 4-child family.
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Binomial with n = 4 and p(girl) = 1/2
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P(x=2) = 4C2*(1/2)^4 = 6/16 = 3/8
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Cheers,
Stan H.
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