Let $T = \frac{X}{S}$ with X a random exponential variable of parameter lambda and S gamma random variable
134508
Distribution of Ratio of Exponential and Gamma random variable
25654
E[X| X>Y] for independent X, Y ~ N(0,1)
136707
Show that if $X$ and $Y$ are independent with the same exponential distribution, then $Z= |X - Y|$ has the same exponential distribution
75645
Proof of $\frac{Y^{\lambda}-\lambda}{\sqrt{\lambda}}\to Z\sim N(0,1)$ in distribution as $\lambda\to\infty$?
6637
probability of gamma greater than exponential
19471
Expectation of an absolute value of a normal random variate
69082
Show that $\frac{X}{X+Y}\sim Beta(\alpha,\beta)$
92569
Showing that ${\rm E}[X]=\sum_{k=0}^\infty P(X>k)$ for a discrete random variable
1264
Find the probability of an event determined by an inequality on exponential random variables
74054
Conditional expectation for a sum of iid random variables: $E(\xi\mid\xi+\eta)=E(\eta\mid\xi+\eta)=\frac{\xi+\eta}{2}$
86635
Optimizing $(X_{n}+c)^{2}$ to show that $P(\overline{X}_{n}\geq \lambda) \leq E(X_{n}^{2})/(EX_{n}^{2}+ \lambda^{2})$
129598
Linear transformation of random variables
122949
memoryless property of exponential distributions with random variables
48651
Prove that $\int_0^1t^{p-1}(1-t)^{q-1}\,dt=\frac{\Gamma(p)\Gamma(q)}{\Gamma(p+q)}$ for positive $p$ and $q$
45854
Poisson-Gamma mix conditional probability problem: Find the expected value of Λ for a policyholder having x accidents this year
119654
How to prove that geometric distributions converge to an exponential distribution?
79024
the derivation of E(X|X)