Question

How many flips to get at least one heads and at least one tails?

score 7.5k · Answer 1 · 2013-12-05 23:49:12

7.5k

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How many flips to get at least one heads and at least one tails?

Published on 05 Dec 2013 - 23:49

score 4.5k · Answer 2 · 2013-12-07 20:01:51

4.5k

Views

Expected value of number of cards drawn from a deck to get 5 spades.

Published on 07 Dec 2013 - 20:01

score 455 · Answer 3 · 2026-04-10 10:08:29

455

Views

Bound on third moment

Published on 10 Apr 2026 - 10:08

score 345 · Answer 4 · 2026-04-08 14:10:36

345

Views

Expected value of round robin scores and ranks

Published on 08 Apr 2026 - 14:10

score 207 · Answer 5 · 2026-04-10 06:46:42

207

Views

Is there any direct relation among first, third, fourth order moments?

Published on 10 Apr 2026 - 6:46

score 53 · Answer 6 · 2026-04-09 14:45:12

53

Views

upper bound on third moment

Published on 09 Apr 2026 - 14:45

score 178 · Answer 7 · 2026-04-10 08:23:04

178

Views

Expected number of updates during scanning of all permutations of $n$ distinct numbers

Published on 10 Apr 2026 - 8:23

score 1.6k · Answer 8 · 2013-12-11 05:26:56

1.6k

Views

Mean and Variance of a functions of uniform random variable - as applied to a limiter

Published on 11 Dec 2013 - 5:26

score 1.2k · Answer 9 · 2026-04-11 05:17:16

1.2k

Views

Example calculation of estimating GMM parameters using EM

Published on 11 Apr 2026 - 5:17

score 68 · Answer 10 · 2026-04-11 15:50:22

68

Views

Given the probability that X > Y and X <Y, find E[X] and E[Y]

Published on 11 Apr 2026 - 15:50

score 145 · Answer 11 · 2026-04-09 12:57:14

145

Views

An inequality about conditional expectation

Published on 09 Apr 2026 - 12:57

score 401 · Answer 12 · 2013-12-12 05:17:01

401

Views

Compute $E(4XY(X^{2} + Y^{2} + 1)^{-1})$ for $X$, $Y$ independent and uniform on $\left[0,1\right]$

Published on 12 Dec 2013 - 5:17

score 78.2k · Answer 13 · 2026-04-11 01:31:33

78.2k

Views

Calculate expectation of a geometric random variable

Published on 11 Apr 2026 - 1:31

score 138 · Answer 14 · 2013-12-13 13:27:25

138

Views

I want to show $E(B(t)-B(s))^4=3(t-s)^2$

Published on 13 Dec 2013 - 13:27

score 391 · Answer 15 · 2013-12-14 22:05:00

391

Views

How many students need to be checked to be 90% sure they got a grade of 70..80?

Published on 14 Dec 2013 - 22:05

List Question

How many flips to get at least one heads and at least one tails?

Expected value of number of cards drawn from a deck to get 5 spades.

Bound on third moment

Expected value of round robin scores and ranks

Is there any direct relation among first, third, fourth order moments?

upper bound on third moment

Expected number of updates during scanning of all permutations of $n$ distinct numbers

Mean and Variance of a functions of uniform random variable - as applied to a limiter

Example calculation of estimating GMM parameters using EM

Given the probability that X > Y and X <Y, find E[X] and E[Y]

An inequality about conditional expectation

Compute $E(4XY(X^{2} + Y^{2} + 1)^{-1})$ for $X$, $Y$ independent and uniform on $\left[0,1\right]$

Calculate expectation of a geometric random variable

I want to show $E(B(t)-B(s))^4=3(t-s)^2$

How many students need to be checked to be 90% sure they got a grade of 70..80?

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