Finding the distribution of $X|X+Y=n$ using MGFs
91564
Find the distribution of $X|X+Y=n$ using MGFs
101458
Negative binomial distribution - sum of two random variables
140650
Find the distribution of sum and product of standard normal random variables
82742
Proving that ${x +y+n- 1 \choose n}= \sum_{k=0}^n{x+n-k-1 \choose n-k}{y+k-1 \choose k} $
140451
What am I doing wrong? Joint Density of sum of random variables!
122678
Find the probability generating function of $Z=\sum_{i=1}^{N}X_i.$
63391
How to compute the sum of random variables of geometric distribution
155114
Find the marginal pdf of $X$ and $Y$
48012
Finding UMVUE of $p^s$ in Bernoulli distribution
98338
Distribution of a fractional part of the sum of uniform RVs
95328
Finding conditional distribution
141052
Find joint density function of X and X+Y (exponential distribution)
43181
What is the joint distribution of $Z=\min(X,Y)$ and $I_{Z=X}$?
108462
Distribution of a difference of two Uniform random variables?
13831
Find $ P(Z>X+Y)$ where $X,Y,Z \sim U(0,1)$ independently
65715
Distribution of sums
12485
Distribution of a quadratic form, non-central chi-squared distribution