List questions from discrete-mathematics

284

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Discrete Probability: You are given a string of length n, in which each character is a uniformly random element of {a.b.c}

Published on 14 Apr 2026 - 1:04

302

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What is the probability that each element in this string is non-zero?

Published on 26 Nov 2018 - 21:18

917

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Discrete Probability: Uniformly random permutation of the set {1,2,3,..2n}

Published on 14 Apr 2026 - 7:29

271

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Discrete Probability: Expected value of random variable

Published on 09 Apr 2026 - 16:59

84

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Proving $a_n>2$ where $a_k=\sqrt{2a_{k-1}}$

Published on 13 Apr 2026 - 13:24

118

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If all Total order relations are partial order as well, what about < relation?

Published on 14 Apr 2026 - 2:14

49

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How many people need to turn up to be sure of making at least one team?

Published on 09 Apr 2026 - 5:31

413

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Permutations Alphabet

Published on 08 Apr 2026 - 16:18

35

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Prove, that $M=\{(a,b)\mid a,b \in \mathbb{N_0} \land (a-b) \text{ mod } 4 = 0\} $ is a equivalence relation

Published on 25 Mar 2026 - 9:38

54

Views

Bernoulli (Binomial) and Dice probability in Risk

Published on 12 Apr 2026 - 23:37

269

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Expected Value using the indicator random variable

Published on 10 Apr 2026 - 17:51

138

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Properties on relation (reflexive, symmetric, anti-symmetric and transitive)

Published on 12 Apr 2026 - 19:22

113

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Modulo for power

Published on 11 Apr 2026 - 10:11

921

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Expected Value for uniform random permutations using random variables

Published on 13 Apr 2026 - 17:16

693

Views

Expected Value for Random Variable for an Algorithm

Published on 09 Apr 2026 - 12:21

List Question

Discrete Probability: You are given a string of length n, in which each character is a uniformly random element of {a.b.c}

What is the probability that each element in this string is non-zero?

Discrete Probability: Uniformly random permutation of the set {1,2,3,..2n}

Discrete Probability: Expected value of random variable

Proving $a_n>2$ where $a_k=\sqrt{2a_{k-1}}$

If all Total order relations are partial order as well, what about < relation?

How many people need to turn up to be sure of making at least one team?

Permutations Alphabet

Prove, that $M=\{(a,b)\mid a,b \in \mathbb{N_0} \land (a-b) \text{ mod } 4 = 0\} $ is a equivalence relation

Bernoulli (Binomial) and Dice probability in Risk

Expected Value using the indicator random variable

Properties on relation (reflexive, symmetric, anti-symmetric and transitive)

Modulo for power

Expected Value for uniform random permutations using random variables

Expected Value for Random Variable for an Algorithm

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