SOLUTION: Find the probability of at least 2girls in 9 births. Assume male/female are equally likely and births are independent events.

Question 762765: Find the probability of at least 2girls in 9 births. Assume male/female are equally likely and births are independent events.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Find the probability of at least 2girls in 9 births. Assume male/female are equally likely and births are independent events.
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Binomial Problem with n = 9 and p(girl) = 1/2
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P(2<= x <=9) = 1 - P(0<= x <=1) = 1 - binomcdf(9,1/2,1) = 0.9805
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Cheers,
Stan H.
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