Probability to calculate the birthday match
98096
Group of $r$ people at least three people have the same birthday?
114741
Probability of N unrelated events, each with different probabilities, what is the chance X number of outcomes occur
32170
Birthday Problem: How am I wrong?
69788
Probability of Hearts given Hearts Was Chosen
47240
An alternate solution to the hat-matching problem, probability of exactly $k$ matches
102791
pigeonhole principle: at least 1 match/hr for 75 hrs, at most 125 matches, then exactly 24 matches in some interval
144405
Probability. About round table
141775
How to calculate the exact probability that the second player wins?
62102
Probability that n people collectively occupy all 365 birthdays
142797
Probability that two people share the same birthday?
30169
Finding probability of other child also being a boy
102329
How can I calculate the probability of a condition concerning ranked values from the same distribution?
14505
Birthday-coverage problem
54351
Probability of throwing balls into bins
102267
Adding very small probabilities - How to compute?
14213
How do you calculate the likelihood of drawing certain cards in your opening hand?
102893
Help finding probability generating function