SOLUTION: A couple had 4 children, none of whom were adopted. Assuming boys and girls are born with equal likehood, find the probability that the children: a. Were born in the order boy,

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Question 1189068: A couple had 4 children, none of whom were adopted. Assuming boys and girls are born with equal likehood, find the probability that the children:
a. Were born in the order boy, girl, boy, girl
b. Were not born in the order from above.

Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
The first is (1/2)^4, since each is independent, so that probability is 1/16.
The second is the complement of the first, so the answer is 15/16.