Probability that $n$ trials will succeed given that $k$ succeeded
128364
Prediction interval for binomial random variable
133723
Probability of lim sup, lim inf for sequence of random variables.
5794
Probability that the sum of $k$ dice is $n$
107688
A contest question on probability
82025
The Probability $P_{[m]}$ that exactly $m$ among the $N$ events $A_1,\dots,A_N$ occur simultaneously
104225
Difference between two independent binomial random variables with equal success probability
142534
Proof of $k {n\choose k} = n {n-1 \choose k-1}$ using direct proof
136686
Find the almost sure limit of $X_n/n$, where each random variable $X_n$ has a Poisson distribution with parameter $n$
92130
Probability of streaks
39005
Probability that a number has $m$ indistinct factors
17951
Acceptance-Rejection Method Acceptance Probability Proof
135943
If X is a Geometric random variable with parameter p, find p that maximizes P(X=k)
82172
Solitaire probability
10939
Probability that a k digit number does not contain certain digits
47240
An alternate solution to the hat-matching problem, probability of exactly $k$ matches
69345
Probability of tossing a fair coin with at least $k$ consecutive heads
29713
$k$ times's draw from $n$ numbers with replacement, each number at least appear once