New posts in expectation

If $X\geq0$ is a random variable, show that $\lim\limits_{n\to\infty}\frac1nE\left(\frac{1}{X}I\left\{X>\frac{1}{n}\right\}\right)=0$ [duplicate]

Is there any counterexample to show that $X,Y$ are two random variables and $E(X\mid Y)=E(X)$, but $X$ and $Y$ are not independent.

Expectation of nonnegative RV

What is $E|\langle A\rangle|$?

Can one tell based on the moments of the random variable if it is continuos or not

Is the kth central moment less than the kth raw moment for even k?

Expectation of Last Remaining Container

The expected value of $1/(1+X)$ where $X$ has geometric distribution

Combinatorial reasoning in an expected value problem

Expected sum of exponential variables until two of them sum to a threshold

Expectation number of cycles in a Erdős–Rényi random directed graph $G(n,p)$

Expected number of triangles in a random graph of size $n$

9 room probability and expected value

Rolling a die until two rolls sum to seven

Expected value problem with cars on a highway

Expected number of cycles in permutation [duplicate]

Fundamental Theorem of Poker

Random walk on a cube

Variance with minimal MSE in normal distribution

What's the expected number of times I have to roll two die until they both sum $7$?