Question

Expected value of dice game

score 344 · Answer 1 · 2026-03-29 03:44:28

344

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Expected value of dice game

Published on 29 Mar 2026 - 3:44

score 77 · Answer 2 · 2020-07-27 02:14:43

77

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Expected number of buttons to be pressed

Published on 27 Jul 2020 - 2:14

score 179 · Answer 3 · 2026-04-03 07:28:13

179

Views

Expectation of product of two random variables (no assumption)

Published on 03 Apr 2026 - 7:28

score 507 · Answer 4 · 2026-03-30 15:36:18

507

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If $E(X)=15$, $P(X\le11)=0.2$, and $P(X\ge19)=0.3$, what can be $V(X)$?

Published on 30 Mar 2026 - 15:36

score 101 · Answer 5 · 2020-07-27 13:39:41

101

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Why does this notation $\mathbb{E}\left[ p(x \mid z) \right]$, when $x$ is given, make sense?

Published on 27 Jul 2020 - 13:39

score 271 · Answer 6 · 2020-07-27 17:49:57

271

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If I initially introduce random variables with upper case letters, does it make sense to use the notation $\mathbb{E}\left[ p(x \mid z ) \right]$?

Published on 27 Jul 2020 - 17:49

score 141 · Answer 7 · 2026-03-26 13:30:20

141

Views

How to calculate the following expectation and variance?

Published on 26 Mar 2026 - 13:30

score 126 · Answer 8 · 2026-04-08 04:11:54

126

Views

confusion about uniform probability distribution expectation value

Published on 08 Apr 2026 - 4:11

score 513 · Answer 9 · 2026-04-03 07:28:47

513

Views

Expected number of letters in the post box that has lower number of letters given that N letters are to be distributed. (Crazy Postman Problem)

Published on 03 Apr 2026 - 7:28

score 1.5k · Answer 10 · 2020-07-28 11:52:50

1.5k

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Expected number of coin tosses untill number of head exceeds number of tails?

Published on 28 Jul 2020 - 11:52

score 395 · Answer 11 · 2026-02-23 13:06:24

395

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Combinatorics problem related to Birthday Problem from Introduction to Probability

Published on 23 Feb 2026 - 13:06

score 44 · Answer 12 · 2026-03-30 15:29:28

44

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The variance of 5 generated numbers

Published on 30 Mar 2026 - 15:29

score 554 · Answer 13 · 2020-07-30 03:34:20

554

Views

Expected number of different colors of balls before obtaining the first red ball

Published on 30 Jul 2020 - 3:34

score 594 · Answer 14 · 2020-07-30 08:45:49

594

Views

Rod cut at two points, expected length of largest part

Published on 30 Jul 2020 - 8:45

score 54 · Answer 15 · 2026-04-03 07:33:38

54

Views

Expectation and covariance calculation

Published on 03 Apr 2026 - 7:33

List Question

Expected value of dice game

Expected number of buttons to be pressed

Expectation of product of two random variables (no assumption)

If $E(X)=15$, $P(X\le11)=0.2$, and $P(X\ge19)=0.3$, what can be $V(X)$?

Why does this notation $\mathbb{E}\left[ p(x \mid z) \right]$, when $x$ is given, make sense?

If I initially introduce random variables with upper case letters, does it make sense to use the notation $\mathbb{E}\left[ p(x \mid z ) \right]$?

How to calculate the following expectation and variance?

confusion about uniform probability distribution expectation value

Expected number of letters in the post box that has lower number of letters given that N letters are to be distributed. (Crazy Postman Problem)

Expected number of coin tosses untill number of head exceeds number of tails?

Combinatorics problem related to Birthday Problem from Introduction to Probability

The variance of 5 generated numbers

Expected number of different colors of balls before obtaining the first red ball

Rod cut at two points, expected length of largest part

Expectation and covariance calculation

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