Question

Why does $P(X+Y=0)=0$ imply that $X+Y$ is continuous

score 521 · Answer 1 · 2019-12-20 02:21:38

521

Views

Why does $P(X+Y=0)=0$ imply that $X+Y$ is continuous

Published on 20 Dec 2019 - 2:21

score 234 · Answer 2 · 2019-12-20 17:36:14

234

Views

Prove independence using Basu's theorem

Published on 20 Dec 2019 - 17:36

score 100 · Answer 3 · 2019-12-20 18:31:53

100

Views

Normal distribution probability density function for dummies

Published on 20 Dec 2019 - 18:31

score 77 · Answer 4 · 2026-03-28 05:22:12

77

Views

Given X,Y independent continous variables, $X,Y \sim \mathcal N(0,16)$, what is $X - Y$?

Published on 28 Mar 2026 - 5:22

score 35 · Answer 5 · 2026-02-24 02:22:13

35

Views

Confidence Interval where standard divination is not given

Published on 24 Feb 2026 - 2:22

score 45 · Answer 6 · 2026-03-30 23:12:20

45

Views

distribution of $\frac{X}{\sqrt{V(X)}}$

Published on 30 Mar 2026 - 23:12

score 149 · Answer 7 · 2026-04-03 20:30:02

149

Views

Expected value of a function of a standard normal random variable.

Published on 03 Apr 2026 - 20:30

score 33 · Answer 8 · 2026-04-01 18:10:05

33

Views

Distribution of a function of Brownian motion, therefore of normal distribution

Published on 01 Apr 2026 - 18:10

score 38 · Answer 9 · 2019-12-24 21:05:57

38

Views

Expected value of a simil lognormal distribution

Published on 24 Dec 2019 - 21:05

score 250 · Answer 10 · 2026-03-29 03:45:11

250

Views

Besides jointly normal random variable, what other distribution satisfies uncorrelated if and only if independent?

Published on 29 Mar 2026 - 3:45

score 76 · Answer 11 · 2019-12-26 02:08:27

76

Views

Calculating expected value of profit of selling a product with demand distributed normally in newsvendor model

Published on 26 Dec 2019 - 2:08

score 65 · Answer 12 · 2026-04-03 22:03:27

65

Views

$X\sim Normal(0,\sigma^2), g$ differentiable function, then $\mathbb{E}[X \ g(X)]=\mathbb{E}[g'(X)]\mathbb{E}[X^2]$

Published on 03 Apr 2026 - 22:03

score 1.1k · Answer 13 · 2026-03-29 06:08:02

1.1k

Views

Given a random variable $X$ and its density function $f(x),$ what is the distribution of $f(X)$?

Published on 29 Mar 2026 - 6:08

score 553 · Answer 14 · 2026-03-28 08:49:10

553

Views

Shouldn't a two sigma process be better than six sigma process?

Published on 28 Mar 2026 - 8:49

score 498 · Answer 15 · 2026-03-27 19:40:26

498

Views

Why use t distribution when we are already using Bessel correction?

Published on 27 Mar 2026 - 19:40

List Question

Why does $P(X+Y=0)=0$ imply that $X+Y$ is continuous

Prove independence using Basu's theorem

Normal distribution probability density function for dummies

Given X,Y independent continous variables, $X,Y \sim \mathcal N(0,16)$, what is $X - Y$?

Confidence Interval where standard divination is not given

distribution of $\frac{X}{\sqrt{V(X)}}$

Expected value of a function of a standard normal random variable.

Distribution of a function of Brownian motion, therefore of normal distribution

Expected value of a simil lognormal distribution

Besides jointly normal random variable, what other distribution satisfies uncorrelated if and only if independent?

Calculating expected value of profit of selling a product with demand distributed normally in newsvendor model

$X\sim Normal(0,\sigma^2), g$ differentiable function, then $\mathbb{E}[X \ g(X)]=\mathbb{E}[g'(X)]\mathbb{E}[X^2]$

Given a random variable $X$ and its density function $f(x),$ what is the distribution of $f(X)$?

Shouldn't a two sigma process be better than six sigma process?

Why use t distribution when we are already using Bessel correction?

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