SOLUTION: in a family of 3 children, find the probability that all the children will be girls if it is known that at least one of the children is a girl
Algebra ->
Proportions
-> SOLUTION: in a family of 3 children, find the probability that all the children will be girls if it is known that at least one of the children is a girl
Log On
Question 963322: in a family of 3 children, find the probability that all the children will be girls if it is known that at least one of the children is a girl Answer by Fombitz(32388) (Show Source):
You can put this solution on YOUR website! If you know one of the children is a girl, then the potential other outcomes for children is,
BB
BG
GB
GG
So then,
.
.
.
or by using conditional probability,
P(B|A)=P(A_and_B)/P(A)
