Question

Expected value of Distinct Elements from maximum sequence of permutation of 1 to n

score 159 · Answer 1 · 2026-04-11 09:27:47

159

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Expected value of Distinct Elements from maximum sequence of permutation of 1 to n

Published on 11 Apr 2026 - 9:27

score 2.5k · Answer 2 · 2026-04-09 23:43:44

2.5k

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How to find permutations of $12345$?

Published on 09 Apr 2026 - 23:43

score 72 · Answer 3 · 2026-04-16 01:02:18

72

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Set of Permutations $S = \{s_1, \ldots, s_N \}$ such that knowing $s_i(k)$ and $s_i(k + e \bmod L)$, $1 \leq e \leq D$ identifies $s_i ~ \forall k, e$

Published on 16 Apr 2026 - 1:02

score 38 · Answer 4 · 2026-04-12 17:49:08

38

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value of $k$ in cube painting with $6$ different color

Published on 12 Apr 2026 - 17:49

score 39 · Answer 5 · 2026-04-13 08:38:29

39

Views

How do you define P(n,0)=1 theoretically?

Published on 13 Apr 2026 - 8:38

score 328 · Answer 6 · 2026-04-12 04:31:58

328

Views

Using GAP method while selecting

Published on 12 Apr 2026 - 4:31

score 466 · Answer 7 · 2026-04-15 15:33:56

466

Views

What is the probability that among the drawn four marbles all possible colors will appear?

Published on 15 Apr 2026 - 15:33

score 1k · Answer 8 · 2026-04-14 22:12:12

1k

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How many permutations of six 0's, five 1's and four 2's have the first 0 preceding the first 1?

Published on 14 Apr 2026 - 22:12

score 75 · Answer 9 · 2026-04-08 21:59:46

75

Views

number of ways of getting different color hat

Published on 08 Apr 2026 - 21:59

score 79 · Answer 10 · 2026-04-15 22:03:18

79

Views

The enemy has three types of guns that shoot down a plane with probabilities of $0.1, 0.2$ and $0.3.$

Published on 15 Apr 2026 - 22:03

score 75 · Answer 11 · 2026-04-16 11:09:10

75

Views

We have the box containing $m$ red and $n$blue balls.

Published on 16 Apr 2026 - 11:09

score 273 · Answer 12 · 2026-04-15 01:25:47

In how many ways can we split 6 boys and 6 girls to 6 tables such that in every table there's a boy and girl (only 2 seats per table)

score 93 · Answer 13 · 2026-04-11 20:03:55

93

Views

How to show that a the group $( \mathbb{Z} / n \mathbb{Z} )^* $ has elements of order $2$

Published on 11 Apr 2026 - 20:03

score 795 · Answer 14 · 2026-04-16 14:27:29

795

Views

The alternating group $A_n$ is generated by $\langle(1 2 \dots n) , (123)\rangle$

Published on 16 Apr 2026 - 14:27

score 128 · Answer 15 · 2026-04-15 01:00:07

128

Views

Given the orbit-stabilizer theorem, explain why the length of each cycle of $f \in S_A$ is a factor of the order of $f$ in $S_A$

Published on 15 Apr 2026 - 1:00

List Question

Expected value of Distinct Elements from maximum sequence of permutation of 1 to n

How to find permutations of $12345$?

Set of Permutations $S = \{s_1, \ldots, s_N \}$ such that knowing $s_i(k)$ and $s_i(k + e \bmod L)$, $1 \leq e \leq D$ identifies $s_i ~ \forall k, e$

value of $k$ in cube painting with $6$ different color

How do you define P(n,0)=1 theoretically?

Using GAP method while selecting

What is the probability that among the drawn four marbles all possible colors will appear?

How many permutations of six 0's, five 1's and four 2's have the first 0 preceding the first 1?

number of ways of getting different color hat

The enemy has three types of guns that shoot down a plane with probabilities of $0.1, 0.2$ and $0.3.$

We have the box containing $m$ red and $n$blue balls.

In how many ways can we split 6 boys and 6 girls to 6 tables such that in every table there's a boy and girl (only 2 seats per table)

How to show that a the group $( \mathbb{Z} / n \mathbb{Z} )^* $ has elements of order $2$

The alternating group $A_n$ is generated by $\langle(1 2 \dots n) , (123)\rangle$

Given the orbit-stabilizer theorem, explain why the length of each cycle of $f \in S_A$ is a factor of the order of $f$ in $S_A$

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