Hi thanks for playing along ..
This is a probability problem that was on a game show in the 70's & 80's called "Let's Make a Deal"
I'll leave a utube link to the solution of the game ..
https://www.youtube.com/watch?v=mhlc7peGlGg
It was required by God that we be born of woman (soul) That's it .. you don't know why/what reasons God chooses who he does. He must have a purpose for them ..