Probability of exactly one empty box when n balls are randomly placed in n boxes.
114115
Probability: $n$ balls into $n$ holes with exactly one hole remaining empty
153168
Probability that two sets are disjoint? the same?
115019
Roll an n-sided die m times. What is the probability that (1, 2, 3 .... n) faces have appeared?
11609
Probability Theory - Fair dice
91112
Rooks on a 8 by 8 checker board. Probability problem
32503
Density of the sum of $n$ uniform(0,1) distributed random variables
82329
Probability : balls from boxes
147428
Probability of picking an odd number from the set of naturals?
9411
Number of permutations of $n$ elements where no number $i$ is in position $i$
126655
Expected Sum of n numbers after m random opeartions on n numbers.
67513
Generating random numbers without repetitions
39005
Probability that a number has $m$ indistinct factors
114741
Probability of N unrelated events, each with different probabilities, what is the chance X number of outcomes occur
150662
Probability of the sum of three random variables being less than 1
96949
Discrete probability problem: what is the probability that you will win the game?
14390
Probability that $X \ge Y$ given N rolls on a d20
119231
Number of Atoms in a Probability Space