New posts in expectation

Number of moves necessary to solve Rubik's cube by pure chance

probability expectation rubiks-cube

Prove that $\Bbb{E}(|X-Y|) \le \Bbb{E}(|X+Y|)$ for i.i.d $X$ and $Y$

probability-theory inequality expectation

Expected Value of Square Root of Poisson Random Variable

probability probability-theory probability-distributions expectation poisson-distribution

Expected number of die rolls to get 6 given that all rolls are even.

probability expectation conditional-expectation

Knight returning to corner on chessboard -- average number of steps

probability combinatorics markov-chains expectation

Question on the 'Hat check' problem

probability probability-theory random-variables expectation

Calculate expectation of a geometric random variable

probability expectation

Example of a general random variable with finite mean but infinite variance

probability-theory measure-theory examples-counterexamples lebesgue-measure expectation

Find $E(\max(X,Y))$ for $X$, $Y$ independent standard normal

probability-theory normal-distribution expectation

A disease spreading through a triangular population

probability combinatorics graph-theory asymptotics expectation

How does a disease spread through a triangular network?

probability combinatorics statistics reference-request expectation

What is the name of this theorem, and are there any caveats?

probability probability-theory probability-distributions expectation

On average, how many times must I roll a dice until I get a $6$?

probability expectation dice

Expected number of times a set of 10 integers (selected from 1-100) is selected before all 100 are seen

probability optimization combinations expectation coupon-collector

what is the difference between average and expected value?

probability expectation average

If a 1 meter rope is cut at two uniformly randomly chosen points, what is the average length of the smallest piece?

probability expectation

Expectation of random variables ratio

probability random-variables expectation

Formal definition of conditional probability

measure-theory probability-theory probability-distributions conditional-probability expectation

Expected number of unpecked chicks - NYT article

probability expectation

Would you ever stop rolling the die? [duplicate]

probability discrete-mathematics expectation gambling