How sum of exponential variables is a gamma variable
12407
Gamma Distribution out of sum of exponential random variables
70221
Probability about three independent exponential random variables
41028
Is there a combinatorial way to see the link between the beta and gamma functions?
103876
Covariance between a normally distributed variable and its exponent
26631
Question about connection between Poisson and Gamma distributions
94616
How do gamma distributions add and what would that model?
33332
A classic exponential inequality: $x^y+y^x>1$
62605
How to find $\mathbb{E}(X\mid\mathbf{1}_{X<Y})$ where $X,Y$ are i.i.d exponential variables?
19148
PDF of a sum of exponential random variables
26860
X,Y are independent exponentially distributed then what is the distribution of X/(X+Y)
48462
The intuition behind gamma distribution
77517
Why is this sum a representation of e?
101499
Prove $e^{x+y}=e^{x}e^{y}$ by using Exponential Series
40019
Showing that $\gamma = -\int_0^{\infty} e^{-t} \log t \,dt$, where $\gamma$ is the Euler-Mascheroni constant.
96722
Finding UMVUE of $\theta$ when the underlying distribution is exponential distribution
129116
$P(X<Y)$ where X and Y are exponential with means $2$ and $1$
50451
The linear dependence of exponential functions