Statistics problem: 15 seats 15 passengers, At least one has taken his correct seat
9411
Number of permutations of $n$ elements where no number $i$ is in position $i$
149455
Probability question with interarrival times
83841
Mutual Exclusion Problem
142817
Probability of people attending same and different places
50060
Obtaining the likelihood of an individual observation
30169
Finding probability of other child also being a boy
377
Problem involving many squares and several variables.
132346
a linear algebra multiple choice problem
124936
Help with a Probability Proof
85213
Problem with random permutation and conditional probability
110798
Problem using the AM-GM inequality
69748
Semi-Ambiguous Combinatorics Problem
11460
Expected count of correct assignments
46250
Fallacy limit problem - Where is the mistake?
126543
Combinatorics problem: $n$ people line up to $m$ clubs
41205
Help me solve a combinatorial problem
47789
Distribution of a ratio of uniforms: What is wrong?