Distributing $60$ identical balls into $4$ boxes if each box gets at least $4$ balls, but no box gets $20$ or more balls
24036
extended stars-and-bars problem(where the upper limit of the variable is bounded)
128124
Is it unlikely to get the same number of heads/tails?
84491
Finding the smallest positive integer $n$ such that $S_n$ contains an element of order 60.
27263
How many ways can $b$ balls be distributed in $c$ containers with no more than $n$ balls in any given container?
104309
Pigeon-Hole Principle Common Sum
48994
$n$ balls are thrown randomly into $k$ bins - how many are empty?
93710
Expected number of balls chosen from bag, I throw out everything in the bag with numbers less than the ball's
95751
Probability: 10th ball is blue
97265
count the ways to fill a $4\times n$ board with dominoes
35859
Conditional Probability: Black and White Balls
39007
Identical balls arrangement in a circle
113447
4 cards are drawn from a pack without replacement. What is the probability of getting all 4 from different suits?
472
In how many ways can $3$ red, $3$ blue, and $3$ green balls be arranged so that no two balls of the same colour are consecutive (up to symmetry)?
79656
Probability of obtaining at least k heads with a set of unfair coins
10018
Tossing a fair coin until two consecutive tosses are the same
32125
Probability of selecting q red balls from m red balls and n blue balls
46913
How to distribute objects evenly?