SOLUTION: Orick and Junia want to have three children. If there is a 50% chance of having a boy and 50% chance of having a girl. find the probability of having 2 boys and 1 girl (order is no

Algebra ->  Permutations -> SOLUTION: Orick and Junia want to have three children. If there is a 50% chance of having a boy and 50% chance of having a girl. find the probability of having 2 boys and 1 girl (order is no      Log On


   

Question 878823: Orick and Junia want to have three children. If there is a 50% chance of having a boy and 50% chance of having a girl. find the probability of having 2 boys and 1 girl (order is not important)?

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
p(boy/girl) = .5, n = 3
P(x = 2 boys) = 3C2(.5)^2(.5)^1