New posts in probability

Given Independent $X, Y$, Prove $X+Y=W$ and $\frac{X}{X+Y}=Z$ are independent if $X$ and $Y$ are identical exponential distributions [duplicate]

At time n, randomly choose a natural number ≤n. How long is it until a single number is chosen three times?

Showing $\cos(t^2)$ is not a Characteristic Function

The Tuesday Birthday Problem - why does the probability change when the father specifies the birthday of a son? [duplicate]

One of two independent flip sequences reaches two heads simultaneously. What is the distribution of others tosses.

Cube and unit cubes

Probability Q on rolling two 8-sided dice

Can you demystify the Power Law?

10 little dwarves

probability of throwing 5 different numbers on 6 dices

Stuck in math showing relationship between poisson and exponential distributions

Why is a simulation of a probability experiment off by a factor of 10?

Expected maximum absolute value of $n$ iid standard Gaussians?

Irrational numbers and Borel Sets

stopped filtration = filtration generated by stopped process?

Is the probability $\frac12$?

Why does $ \operatorname{Var}(X) = E[X^2] - (E[X])^2 $

conditional probability : planning and development questions

Rejection-sampling question, stuck in math

Show that $X_0=Y_0$ and that $X_n$ is a martingale.