assuming boys and girls are equally likely, find the probability of a couple having a baby girl when their…

assuming boys and girls are equally likely, find the probability of a couple having a baby girl when their fourth child is born, given that the first three children were all girls.\nthe probability is (type an integer or a simplified fraction.)
Answer
Explanation:
Step1: Identify independent events
The gender of each child is an independent event.
Step2: Determine probability
Since boys and girls are equally likely, the probability of having a girl in any single - birth is $\frac{1}{2}$.
Answer:
$\frac{1}{2}$