In a two child family, one child is a boy. What is the probability that the other child is a girl?

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Solution

Given in a two child family that one child is a boy.

Then the chance of the other child being a girl is $\frac{1}{2}$

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In a two child family, one child is a boy. What is the probability that the other child is a girl?

Given in a two child family that one child is a boy.Then the chance of the other child being a girl is 12

Given in a two child family that one child is a boy.

Then the chance of the other child being a girl is $\frac{1}{2}$