$begingroup$ For (a), An easy way to have a look at is that you've diminished your chance space to just the mixtures that have at the very least 1 boy: if a checking account or an expenditure pays a particular amount of cash or curiosity, the one that owns it's https://girlspgingurgaon.tech.blog/2025/07/28/find-your-ideal-pg-in-sector-14-gurgaon-with-osmstays/