You are reading a single comment by @hugo7 and its replies.
Click here to read the full conversation.
-
combinations and permutations pretty much covers it
If you wanted to check how many combinations there were when, say, 3 from 10 sent you a card
then from a 'n, choose r' type calc then n=10, r=3 and the number of combinations would be 120
https://www.calculatorsoup.com/calculators/discretemathematics/combinations.phpin your example, if you just have two choices then you'd probably most often find it illustrated as a binary tree 3 levels deep
duncs
@hugo7
3 people may or may not send me a Xmas card.
Sort of like:
Etc.