$begingroup$ For (a), a straightforward way to take a look at is that you've reduced your probability space to just the combinations which have not less than one boy: We could let you know listed here, but terms would not do justice to why the thoroughly-furnished Stanza Residing is a https://boyspgsector14gurgaon.blogspot.com/2025/07/find-ideal-boys-pg-in-gurgaon-sector-15.html