It matters if the assumption is that possibility of each child being boy/girl is 50%. The first child can be boy or girl. The second child can also be boy or g

It matters if the assumption is that possibility of each child being boy/girl is 50%. The first child can be boy or girl. The second child can also be boy or girl. So the probabilities are like this: BB: 25% GG: 25% BG: 50% You can replace older/younger on the article with child 1/child 2.