List questions from expected-value

Published on 28 Jan 2019 - 21:25

29

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A question about marginal distributions, variance, covariance and independency

Published on 25 Mar 2026 - 18:47

1.2k

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If $X$ has a binomial distribution with parameters $n$ and $p$, calculate $\textbf{E}[(1+X)^{-1}]$

Published on 26 Mar 2026 - 9:41

4.4k

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Proof of $ E(XY) = E(X) E(Y) $

Published on 29 Jan 2019 - 7:43

75

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Express moments in terms of exponential series

Published on 29 Jan 2019 - 8:48

500

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Order statistics of symmetric random variables

Published on 29 Jan 2019 - 12:10

544

Views

Functions that cause Jensen's Inequality to be strict

Published on 30 Jan 2019 - 7:16

2.9k

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Expected value of outer product of multivariate normal random vector with itself

Published on 25 Mar 2026 - 23:56

343

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Find expected value for $\max (X_1,...,X_n)$

Published on 30 Jan 2019 - 13:55

236

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Why are these two expected values equal?

Published on 27 Mar 2026 - 9:02

2.8k

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Let $U = \min\{X,Y\}$ and $V = \max\{X,Y\}$. Find $\textbf{E}(U)$, and hence calculate $\textbf{Cov}(U,V)$.

Published on 25 Mar 2026 - 18:49

384

Views

Expected value for a sum of two special dice

Published on 26 Mar 2026 - 20:44

147

Views

expected value from some points in continuous homogeneous spatial Poisson point process

Published on 23 Feb 2026 - 4:25

351

Views

What is the amount of draws necessary to see all red cards from a standard deck of 52 cards if you draw 5 cards from the deck?

Published on 27 Mar 2026 - 4:23

34

Views

Random Algorithm for calculating expectaiotn

Published on 31 Jan 2019 - 21:05

List Question

Basic question: Calculating expected value

A question about marginal distributions, variance, covariance and independency

If $X$ has a binomial distribution with parameters $n$ and $p$, calculate $\textbf{E}[(1+X)^{-1}]$

Proof of $ E(XY) = E(X) E(Y) $

Express moments in terms of exponential series

Order statistics of symmetric random variables

Functions that cause Jensen's Inequality to be strict

Expected value of outer product of multivariate normal random vector with itself

Find expected value for $\max (X_1,...,X_n)$

Why are these two expected values equal?

Let $U = \min\{X,Y\}$ and $V = \max\{X,Y\}$. Find $\textbf{E}(U)$, and hence calculate $\textbf{Cov}(U,V)$.

Expected value for a sum of two special dice

expected value from some points in continuous homogeneous spatial Poisson point process

What is the amount of draws necessary to see all red cards from a standard deck of 52 cards if you draw 5 cards from the deck?

Random Algorithm for calculating expectaiotn

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