Question

How many samples of size $4$ selected from $10$ red and $5$ white numbered marbles have exactly $3$ red marbles?

score 93 · Answer 1 · 2018-03-13 09:47:36

93

Views

How many samples of size $4$ selected from $10$ red and $5$ white numbered marbles have exactly $3$ red marbles?

Published on 13 Mar 2018 - 9:47

score 203 · Answer 2 · 2018-03-13 09:47:48

203

Views

Determine remainder when N is divided by 1000?

Published on 13 Mar 2018 - 9:47

score 215 · Answer 3 · 2026-03-25 14:14:04

215

Views

Prove by a combinatorial argument that $(n-r){n \choose r}=n{n-1 \choose r}$

Published on 25 Mar 2026 - 14:14

score 130 · Answer 4 · 2018-03-13 14:56:35

130

Views

Number of ways 6 things can be selected from a group of identical things

Published on 13 Mar 2018 - 14:56

score 704 · Answer 5 · 2018-03-13 16:03:17

704

Views

Colored ball problem combinations distribution

Published on 13 Mar 2018 - 16:03

score 56 · Answer 6 · 2018-03-13 20:36:26

56

Views

guess 3 of 5 repeating non-ordered numbers from 1 to 6

Published on 13 Mar 2018 - 20:36

score 58 · Answer 7 · 2018-03-13 23:25:43

58

Views

Combinatorics: choose 10 mathematicians out of $18$ mathematicians and $6$ physicists out of $12$ physicists.

Published on 13 Mar 2018 - 23:25

score 128 · Answer 8 · 2026-03-25 01:17:11

128

Views

How many ways can hexagonal tiles of side a be arranged in a b*a sided triangle?

Published on 25 Mar 2026 - 1:17

score 58 · Answer 9 · 2018-03-14 06:54:58

58

Views

Finding Value Combinations with condition Q

Published on 14 Mar 2018 - 6:54

score 92 · Answer 10 · 2018-03-14 11:50:09

92

Views

a number theory problem regrading grids

Published on 14 Mar 2018 - 11:50

score 274 · Answer 11 · 2018-03-15 09:58:07

274

Views

Probability when choosing over more combinations

Published on 15 Mar 2018 - 9:58

score 106 · Answer 12 · 2018-03-15 14:35:19

106

Views

Different combinations without replacement and indistinguishable objects

Published on 15 Mar 2018 - 14:35

score 33 · Answer 13 · 2026-03-24 23:51:08

33

Views

Combinations and similar coverage

Published on 24 Mar 2026 - 23:51

score 346 · Answer 14 · 2026-03-24 22:21:21

346

Views

Probability of a winning hand in the card game Sevens

Published on 24 Mar 2026 - 22:21

score 181 · Answer 15 · 2026-03-25 19:10:51

181

Views

In how manys can a programming team and a hacking team be selected if Jack does not serve on both teams?

Published on 25 Mar 2026 - 19:10

List Question

How many samples of size $4$ selected from $10$ red and $5$ white numbered marbles have exactly $3$ red marbles?

Determine remainder when N is divided by 1000?

Prove by a combinatorial argument that $(n-r){n \choose r}=n{n-1 \choose r}$

Number of ways 6 things can be selected from a group of identical things

Colored ball problem combinations distribution

guess 3 of 5 repeating non-ordered numbers from 1 to 6

Combinatorics: choose 10 mathematicians out of $18$ mathematicians and $6$ physicists out of $12$ physicists.

How many ways can hexagonal tiles of side a be arranged in a b*a sided triangle?

Finding Value Combinations with condition Q

a number theory problem regrading grids

Probability when choosing over more combinations

Different combinations without replacement and indistinguishable objects

Combinations and similar coverage

Probability of a winning hand in the card game Sevens

In how manys can a programming team and a hacking team be selected if Jack does not serve on both teams?

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