This is personal study note
Copyright and original reference:
https://www.youtube.com/watch?v=VOfKIeTpxg8&list=PLsri7w6p16vtEz_J1G7HQG-Rm8vpZPtPS&index=5
================================================================================
Test on population ratio
- Test "characteristic of population" based on ratio
================================================================================
To be 4th batter, that batter's hitting ratio should be over 0.4
================================================================================
================================================================================
================================================================================