SOLUTION: Please help me solve this problem
Assume that the probability of a boy being born is the same as the probability of a girl being born. Find the probability that a family with t
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Question 677114: Please help me solve this problem
Assume that the probability of a boy being born is the same as the probability of a girl being born. Find the probability that a family with three children will have two boys and one girl?
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
Solution:
The probability of a boy or a girl being born is . The probability of boys and girl being born is (0.5)^2(0.5)^1 =(0.5)^3 and the number of ways this can happen is C(2,1).
Therefore the probability of exactly boys and girl being born is C(2,1)(0.5)^3
.
C(2,1)(0.5)^3
since or %
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