SOLUTION: In a family of 3 children, what is the probability that all 3 will be boys if it is equally likely that a newborn child will be a boy or a girl? a. 1/2 b. 1/3 c. 1/8 d. 1/9

Question 1160565: In a family of 3 children, what is the probability that all 3 will be boys if it is equally likely that a newborn child will be a boy or a girl?
a. 1/2
b. 1/3
c. 1/8
d. 1/9
Found 3 solutions by MathLover1, MathTherapy, saw:
Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!

We have children, with each one possibly being a boy or a girl.
And so for each child, the probability of being a boy is as is the probability of being a girl
Therefore, for there to be all boys, the probability is:

answer is: c.
Answer by MathTherapy(10555)   (Show Source): You can put this solution on YOUR website!

In a family of 3 children, what is the probability that all 3 will be boys if it is equally likely that a newborn child will be a boy or a girl?
a. 1/2
b. 1/3
c. 1/8
d. 1/9

Answer by saw(34)   (Show Source): You can put this solution on YOUR website!
Solution.
BBB
BBG
BGB
BGG
GGG
GGB
GBG
GBB
P = successful outcomes/total outcomes
P = 1/8
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