Best way of finding the number of people needed
119570
Find the time period with the maximum number of overlapping intervals
123137
Recursion: putting people into groups of 1 or 2
148783
Using offset in binomial model to account for increased numbers of patients
136848
Find the number of nonzero elements
77124
Find the minimum number of instructions
156067
Birthday problem, want about using unordered counting?
21245
What is the maximum number of people that will join a settlement?
41205
Help me solve a combinatorial problem
79881
The Matching Problem/Derangements - n letters to n people
126543
Combinatorics problem: $n$ people line up to $m$ clubs
94484
"(a) few hundred people", "(a) few hundreds of people"?
40852
Number of ways of distributing $n$ identical objects among $r$ groups
6116
View approximate number of users online
150281
Am I on the right track to figure out this combinatorics problem?
118293
Strategy for determining the number of homomorphisms between two Groups
100495
Expected number of siblings, given the expectation of children in a family
120177
get the SUM of each Person by the PersonID