Probability of getting a sequence of at least $k$ heads in $n$ coin flips.
69345
Probability of tossing a fair coin with at least $k$ consecutive heads
9009
$n$ choose $k$ where $n$ is less than $k$
39228
Distribution of number of Bernoulli trials to a given number of successes
116647
The number of different ways to choose $k$ out of $n$ unique items
62990
What are the odds of getting heads 7 times in a row in 40 tries of flipping a coin?
126655
Expected Sum of n numbers after m random opeartions on n numbers.
19912
Probability for the length of the longest run in $n$ Bernoulli trials
92130
Probability of streaks
82889
Statistics of a simple coin toss
45448
Minimum number of $k$-partitions of a set of size $n$ to enumerate all $n \choose k$ combinations
158030
probability of getting 50 heads from tossing a coin 100 times
5794
Probability that the sum of $k$ dice is $n$
142477
Closed-form expression for the number of $k$-permutations of length $n$. Duplicates allowed!
86397
throwing a $k$-sided dice until you get every face the same number of times
39287
Probability with same number of heads and tails
141165
Probability of $p(x_1<x_2<\max(x_3,x_4))$
65163
Expected number of runs in a sequence of coin flips