List questions from expected-value

Published on 16 Mar 2026 - 5:45

138

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Intuition for Lambda in a Poisson Distribution

Published on 28 Mar 2026 - 3:00

168

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Expectation of $max\{x_1,...,x_n\}$ when $X \sim U[0,\lambda]$

Published on 01 Nov 2019 - 9:25

80

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Expectation of inner product of random vector $\mathbb{E}_{{\bf{\epsilon}}}[\langle {\bf{x}}, {\bf{\epsilon}}\rangle] = ?$

Published on 01 Nov 2019 - 10:04

38

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Property of a Normal Distribution.

Published on 02 Apr 2026 - 5:33

141

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Find $E[X]$, pdf of $Y=\sqrt X$ and calculate $E[Y]$

Published on 02 Nov 2019 - 23:34

350

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Expecation of ratio of two binomials

Published on 03 Nov 2019 - 13:08

49

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Injectivity of expectation

Published on 03 Nov 2019 - 19:23

24

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Expected value of multiple choice exercise

Published on 03 Nov 2019 - 21:21

566

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Expected value for jointly Gaussian RV

Published on 01 Apr 2026 - 5:42

544

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Why can't Wolfram Alpha compute this integral?

Published on 26 Mar 2026 - 1:02

36

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Proving $\lim_{n\to\infty} \frac{EX^{n+1}}{EX^n}=\max\{x_1,\ldots,x_k\}$

Published on 03 Nov 2019 - 21:39

984

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Show that if X and Y are i.i.d random variables such that $\mathbb{E}(X-Y)^{2}<\infty$, then $\mathbb{E}X^{2}<\infty$

Published on 03 Nov 2019 - 21:40

95

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Compute the variance of expectation of $n^{1/2}X_{k}/(\sum_{m=1}^{n}X_{m}^{2})^{1/2}$ when $\mathbb{E}X_{1}=0$ and $Var(X_{1})=1$

Published on 29 Mar 2026 - 13:40

141

Views

Expectation of ratio of dot product of independent multivariate gaussians

Published on 04 Nov 2019 - 13:00

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$\operatorname E(Y_i^2\mid X_i=x) $in regression

Intuition for Lambda in a Poisson Distribution

Expectation of $max\{x_1,...,x_n\}$ when $X \sim U[0,\lambda]$

Expectation of inner product of random vector $\mathbb{E}_{{\bf{\epsilon}}}[\langle {\bf{x}}, {\bf{\epsilon}}\rangle] = ?$

Property of a Normal Distribution.

Find $E[X]$, pdf of $Y=\sqrt X$ and calculate $E[Y]$

Expecation of ratio of two binomials

Injectivity of expectation

Expected value of multiple choice exercise

Expected value for jointly Gaussian RV

Why can't Wolfram Alpha compute this integral?

Proving $\lim_{n\to\infty} \frac{EX^{n+1}}{EX^n}=\max\{x_1,\ldots,x_k\}$

Show that if X and Y are i.i.d random variables such that $\mathbb{E}(X-Y)^{2}<\infty$, then $\mathbb{E}X^{2}<\infty$

Compute the variance of expectation of $n^{1/2}X_{k}/(\sum_{m=1}^{n}X_{m}^{2})^{1/2}$ when $\mathbb{E}X_{1}=0$ and $Var(X_{1})=1$

Expectation of ratio of dot product of independent multivariate gaussians

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