probability of last person finding seat occupied
90572
Seating of $n$ people with tickets into $n+k$ chairs with 1st person taking a random seat
99435
Proof of the inclusion-exclusion formula in probability
77243
Probability of sampling with and without replacement
119164
Probability of waiting for an interview
106484
Car parking related probability
32906
Probability of a player winning again after i games
110856
Number of ways to select $K$ people from $N$ people such that at least $r$ people are there in between them
26115
Probability of Birthdays
62102
Probability that n people collectively occupy all 365 birthdays
59607
Limit of probability question
57100
Probability and expectancy problem
108240
Probability: marbles in bag question
82172
Solitaire probability
64511
A weighted version of random.choice
107688
A contest question on probability
127311
Challenging probability problem
79493
Probability of 3 people in a room of 30 having the same birthday