(3a) How many executive boards are there of size 5 if there are 13 members in the club? How many of those councils inclu
Posted: Tue Sep 07, 2021 7:55 am
(3a) How many executive boards are there of size 5 if there are 13 members in the club? How many of those councils include the senior-most student in the club and how many do not? [Count these directly; save the cleverness for the next part.]