Question

Every Polish Space is a Regular Conditional Probability Space

score 967 · Answer 1 · 2017-09-03 00:01:42

967

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Every Polish Space is a Regular Conditional Probability Space

Published on 03 Sep 2017 - 0:01

score 94 · Answer 2 · 2026-04-08 16:40:28

94

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Two questions about a proof involving a conditional expectation

Published on 08 Apr 2026 - 16:40

score 4.7k · Answer 3 · 2026-04-12 15:28:22

4.7k

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Conditional expectation as a Radon-Nikodym derivative.

Published on 12 Apr 2026 - 15:28

score 878 · Answer 4 · 2026-04-03 10:43:39

878

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Toss a fair coin n times, getting $N$ heads. Toss it $N$ more times. What is the variance of the total number of heads?

Published on 03 Apr 2026 - 10:43

score 156 · Answer 5 · 2026-04-11 17:34:36

156

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Implications of law of iterated expectation

Published on 11 Apr 2026 - 17:34

score 90 · Answer 6 · 2017-09-07 04:59:18

90

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W is normal conditional on a normal variable Z. Does it follow that W is unconditionally normal?

Published on 07 Sep 2017 - 4:59

score 38 · Answer 7 · 2026-04-12 11:54:41

38

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Is my understanding of a multivariate discrete conditional expectation calculation correct?

Published on 12 Apr 2026 - 11:54

score 42 · Answer 8 · 2026-04-10 18:16:33

42

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Expected Value of a RV with CDF Containing a Break

Published on 10 Apr 2026 - 18:16

score 29 · Answer 9 · 2026-04-09 06:36:06

29

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conditional expectation computational rule

Published on 09 Apr 2026 - 6:36

score 312 · Answer 10 · 2017-09-08 16:51:49

312

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If $Y$ is a nonnegative absolutely continuous random variable and $E[X|Y]=Y/2$, is $E[X|Y=-1]=-1/2$? Is $E[X|Y=2]=1$?

Published on 08 Sep 2017 - 16:51

score 27 · Answer 11 · 2017-09-12 04:39:33

27

Views

Deriving $E_{P(x,y)}[g(x,y)] = E_{P(x)}[E_{P(y|x)}[g(x,y | x)]]$

Published on 12 Sep 2017 - 4:39

score 706 · Answer 12 · 2026-04-09 15:22:24

706

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Expected outcome

Published on 09 Apr 2026 - 15:22

score 79 · Answer 13 · 2017-09-12 13:09:02

79

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On the conditional expectation formula $E[X] = E \big[ E[X|Y] \big]$ vs. $E[X] = E \big[ E[X|Y=y] \big]$

Published on 12 Sep 2017 - 13:09

score 74 · Answer 14 · 2017-09-14 07:28:00

74

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Why is $(S_t-K)^{+}$ a supermartingale when $S_t$ is supermartinagale

Published on 14 Sep 2017 - 7:28

score 201 · Answer 15 · 2026-04-12 01:16:42

201

Views

Conditional expectation simplification

Published on 12 Apr 2026 - 1:16

List Question

Every Polish Space is a Regular Conditional Probability Space

Two questions about a proof involving a conditional expectation

Conditional expectation as a Radon-Nikodym derivative.

Toss a fair coin n times, getting $N$ heads. Toss it $N$ more times. What is the variance of the total number of heads?

Implications of law of iterated expectation

W is normal conditional on a normal variable Z. Does it follow that W is unconditionally normal?

Is my understanding of a multivariate discrete conditional expectation calculation correct?

Expected Value of a RV with CDF Containing a Break

conditional expectation computational rule

If $Y$ is a nonnegative absolutely continuous random variable and $E[X|Y]=Y/2$, is $E[X|Y=-1]=-1/2$? Is $E[X|Y=2]=1$?

Deriving $E_{P(x,y)}[g(x,y)] = E_{P(x)}[E_{P(y|x)}[g(x,y | x)]]$

Expected outcome

On the conditional expectation formula $E[X] = E \big[ E[X|Y] \big]$ vs. $E[X] = E \big[ E[X|Y=y] \big]$

Why is $(S_t-K)^{+}$ a supermartingale when $S_t$ is supermartinagale

Conditional expectation simplification

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