List questions from probability-distributions

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Flip fair coin n times to get $100 if 60% or over lands heads. What should n be?

Published on 14 Apr 2026 - 19:34

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Difference between 2 Erlang Random Variables with the same parameter rate

Published on 13 Apr 2026 - 10:09

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Algorithm to win in the roulette

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Convergence of distribution functions under almost sure convergence

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Weak convergence to random variable with uniform distribution

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Deriving a marginal PDF with a conditional CDF

Published on 17 Apr 2026 - 15:58

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What is the expected number of d20 rolls needed for at least one 1 and at least one 20 to come up?

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$\hat{\pi}(x) = \frac{1}{N} \sum_{i=1}^N \delta_{X_i}(x)$ as an approximation of distribution $\pi(x)$?

Published on 16 Apr 2026 - 11:28

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Expectation with Dirac measure

Published on 10 Apr 2026 - 3:20

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Does the existence of the mean imply the existence of the variance?

Published on 11 Apr 2026 - 18:49

274

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Probabilities with eye color and number of children

Published on 16 Apr 2026 - 22:37

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Confusion between probability distribution and probability density functions for the sum of two RV

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Gaussian 2-D Mixture, mean mode median of marginals and 2-D

Published on 25 Mar 2026 - 4:42

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Understanding the Intuition for Geometric Random Variables

Published on 11 Apr 2026 - 15:59

List Question

Understanding solution to Bain, Engelhardt 6.14; Finding distribution of sum of random variables

Flip fair coin n times to get $100 if 60% or over lands heads. What should n be?

Difference between 2 Erlang Random Variables with the same parameter rate

Algorithm to win in the roulette

Convergence of distribution functions under almost sure convergence

Weak convergence to random variable with uniform distribution

Deriving a marginal PDF with a conditional CDF

What is the expected number of d20 rolls needed for at least one 1 and at least one 20 to come up?

$\hat{\pi}(x) = \frac{1}{N} \sum_{i=1}^N \delta_{X_i}(x)$ as an approximation of distribution $\pi(x)$?

Expectation with Dirac measure

Does the existence of the mean imply the existence of the variance?

Probabilities with eye color and number of children

Confusion between probability distribution and probability density functions for the sum of two RV

Gaussian 2-D Mixture, mean mode median of marginals and 2-D

Understanding the Intuition for Geometric Random Variables

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