SOLUTION: Suppose the probability that a new born baby is male is 0.5. If four infants are chosen at random, what is the probability that two are male and two are female?

SOLUTION: Suppose the probability that a new born baby is male is 0.5. If four infants are chosen at random, what is the probability that two are male and two are female?

Algebra.Com

Question 915427: Suppose the probability that a new born baby is male is 0.5. If four infants are chosen at random, what is the probability that two are male and two are female?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
p(male) = .5 , n = 4
P(2M & 2F) = P(x = 2) = normalpdf(4, .5, 2) 0r P = 4C2(.5)^2(.5)2 = .375
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