Health and Wellness Assume that the gender distribution of

Solution:

Step 1 of 4:

In a family the gender distribution of babies is such that one -half the time females are born and one-half the time males are born.

We have to find the following.

1. In a family of 3 children, the probability that all are girls.
2. In a family of 4 children, the probability that all are girls.
3. We have to determine whether it is an unusual that in a family with 4 children all would be girls.
4. We have to determine whether it is an unusual that in a family with 5 children all would be girls.