Expected number of matches
42324
Expected number of matches when two shuffled rows of $52$ playing cards are lined up
65307
Simple combination/probability question based on string-length and possible-characters
123289
Probability of a repeatedly right answer
80516
Return previous line of all matches
89544
Expectation of a random variable that takes points in the natural numbers
30575
How to precalculate valid number of combinations instead of using while loop?
52348
Counting the number of surjections.
26779
Rule of thumb for number of bootstrap samples
126720
Number of possible marriage arrangements if Marriage Condition is satisfied
13822
Expected number of hamiltonian paths in a tournament
67328
Expected value of the number of flips until the first head
73794
counting with max and min restrictions
57100
Probability and expectancy problem
53130
Number of dissimilar terms in given expansion
6320
How to determine if a string contains any matches of a list of strings
107899
counting full bipartite matchings
135836
How to count of sub-string occurrences?