List questions from expected-value

Published on 30 Mar 2026 - 8:55

105

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From $E[XY]$ deriving $E[X^2]$ doesn't match up!

Published on 01 Apr 2026 - 14:27

36

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Expected value of the points one can get in a game

Published on 11 Apr 2026 - 13:21

24

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Showing the equivalence of two different expectations

Published on 10 Apr 2026 - 1:10

115

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Concentration of a random variable around its mean

Published on 11 Apr 2026 - 5:48

35

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How many boxes remain empty when n balls are distributed in 4 containers where each container has 13 unlabeled slots?

Published on 22 Jun 2023 - 9:30

48

Views

Expectation value of $\theta$ for the bivariate normal distribution in polar coordinates {$r$,$\theta$}

Published on 04 Apr 2026 - 7:54

192

Views

Expected number of connected components on a line

Published on 12 Apr 2026 - 13:21

183

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Using the central limit theorem on a binomial random variable

Published on 12 Apr 2026 - 12:24

57

Views

Expected number of bottles to get a prize

Published on 25 Jun 2023 - 2:11

46

Views

Proof Explanation for Expected Value in Induced Probability Form

Published on 08 Apr 2026 - 20:57

138

Views

connecting noodles question, expected size of the max noodle?

Published on 06 Apr 2026 - 0:18

46

Views

Expected Number of Actions in Program

Published on 10 Apr 2026 - 12:30

187

Views

Show that $\sigma_n^2$ is an unbiased estimator for $\sigma^2$

Published on 12 Apr 2026 - 11:08

74

Views

$\mathbb{E}[\sqrt{1+X_1^2+...X_n^2}]=\sigma \sqrt n$

Published on 27 Jun 2023 - 20:28

List Question

Expected Value of the Difference of Two Dice

From $E[XY]$ deriving $E[X^2]$ doesn't match up!

Expected value of the points one can get in a game

Showing the equivalence of two different expectations

Concentration of a random variable around its mean

How many boxes remain empty when n balls are distributed in 4 containers where each container has 13 unlabeled slots?

Expectation value of $\theta$ for the bivariate normal distribution in polar coordinates {$r$,$\theta$}

Expected number of connected components on a line

Using the central limit theorem on a binomial random variable

Expected number of bottles to get a prize

Proof Explanation for Expected Value in Induced Probability Form

connecting noodles question, expected size of the max noodle?

Expected Number of Actions in Program

Show that $\sigma_n^2$ is an unbiased estimator for $\sigma^2$

$\mathbb{E}[\sqrt{1+X_1^2+...X_n^2}]=\sigma \sqrt n$

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