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Investigating Discrete Expectation Rigorously

score 69 · Answer 1 · 2026-04-10 22:52:09

69

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Investigating Discrete Expectation Rigorously

Published on 10 Apr 2026 - 22:52

score 46 · Answer 2 · 2023-07-11 18:33:12

46

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Whats the expected value of the maximum of independent, discrete variables?

Published on 11 Jul 2023 - 18:33

score 26 · Answer 3 · 2026-04-12 10:38:02

26

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Expected number of distinct toy types after collecting t toys

Published on 12 Apr 2026 - 10:38

score 12 · Answer 4 · 2026-02-27 12:32:41

12

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Calculating the expecated value of the number of samples belonging to one class in the 'best' fold of cross validation

Published on 27 Feb 2026 - 12:32

score 41 · Answer 5 · 2026-04-01 15:44:11

41

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Calculating E(X^4) where X is the number of Heads minus number of Tails across n coin flips.

Published on 01 Apr 2026 - 15:44

score 57 · Answer 6 · 2026-04-10 18:16:53

57

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Expected value of transformation of exponential PDFs

Published on 10 Apr 2026 - 18:16

score 110 · Answer 7 · 2026-04-12 18:35:33

110

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Does the norm of the sum of $n$ 2d random vectors also scale as $\sqrt{n}$?

Published on 12 Apr 2026 - 18:35

score 66 · Answer 8 · 2026-04-11 05:20:09

66

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Expected value of max of 3 die rolls using stars and bars approach

Published on 11 Apr 2026 - 5:20

score 163 · Answer 9 · 2026-04-06 01:52:29

163

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Calculate expected number of hours to finish large donuts

Published on 06 Apr 2026 - 1:52

score 72 · Answer 10 · 2023-07-13 10:44:37

72

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Fubini's theorem and symmetry arguments

Published on 13 Jul 2023 - 10:44

score 33 · Answer 11 · 2026-04-01 14:25:38

33

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Is it true that $\sum_{i=1}^n \big|f(X_i) - \mathbb{E}[g(X_i)]\big| \leq \sum_{i=1}^n\big|f(X_i) - g(X_i)\big|$ on expectation?

Published on 01 Apr 2026 - 14:25

score 95 · Answer 12 · 2026-03-30 10:40:49

95

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$\mathbb{E}[N^2]$ where $N$ is number of dice rolls and each six gives $5$ more

Published on 30 Mar 2026 - 10:40

score 32 · Answer 13 · 2026-04-12 12:47:56

32

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Why this equivalence in Conditional Expectation is valid?

Published on 12 Apr 2026 - 12:47

score 23 · Answer 14 · 2026-04-11 20:29:05

23

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Expected value for how many samples must be drawn from discrete uniform distribution for there to be a repetetion

Published on 11 Apr 2026 - 20:29

score 84 · Answer 15 · 2026-04-11 01:32:32

84

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Calculating expectation of dependent variables

Published on 11 Apr 2026 - 1:32

List Question

Investigating Discrete Expectation Rigorously

Whats the expected value of the maximum of independent, discrete variables?

Expected number of distinct toy types after collecting t toys

Calculating the expecated value of the number of samples belonging to one class in the 'best' fold of cross validation

Calculating E(X^4) where X is the number of Heads minus number of Tails across n coin flips.

Expected value of transformation of exponential PDFs

Does the norm of the sum of $n$ 2d random vectors also scale as $\sqrt{n}$?

Expected value of max of 3 die rolls using stars and bars approach

Calculate expected number of hours to finish large donuts

Fubini's theorem and symmetry arguments

Is it true that $\sum_{i=1}^n \big|f(X_i) - \mathbb{E}[g(X_i)]\big| \leq \sum_{i=1}^n\big|f(X_i) - g(X_i)\big|$ on expectation?

$\mathbb{E}[N^2]$ where $N$ is number of dice rolls and each six gives $5$ more

Why this equivalence in Conditional Expectation is valid?

Expected value for how many samples must be drawn from discrete uniform distribution for there to be a repetetion

Calculating expectation of dependent variables

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