List questions from probability-distributions

Published on 27 Mar 2026 - 7:13

29

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is my selection of limits correct?

Published on 10 Apr 2026 - 23:13

102

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How to drive the CDF of random variable $Z$ define by $ Z=\frac{X_iX_j}{2X_i+X_j} $

Published on 11 Apr 2026 - 21:13

23

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Why is the multinomial coefficient best suited in this case?

Published on 12 Apr 2026 - 20:31

460

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Let $X\sim \exp(\lambda=1)$ and $Y \sim U(1,2) $ two independent random variables; what is the joint distribution function? Compute $P(X>Y)$

Published on 02 Apr 2026 - 18:17

34

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Is this why I get the PDF of $X$ if I have the PDF of $(X,Y)$

Published on 02 Apr 2026 - 18:19

229

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For what values of u is this a valid autocorrelation function

Published on 02 Apr 2026 - 6:48

69

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Show $Z_{n} \xrightarrow{d} \mathcal{N}(0,1)$

Published on 12 Apr 2026 - 1:10

60

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Family of densities on [0,1] with strictly positive density at zero

Published on 12 Apr 2026 - 15:06

191

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Find $E[X]$ from the function given

Published on 10 Apr 2026 - 8:26

21

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Appropriate terminology for classifying some assumptions

Published on 12 Apr 2026 - 16:46

43

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Distribution for $n$, the number of draws required to reach a target value

Published on 13 Apr 2026 - 0:05

59

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Indicator function of an exponentially distributed random variable.

Published on 11 Apr 2026 - 21:29

23

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Calculating F-distribution probability without tables (Hypothesis problem)

Published on 12 Apr 2026 - 21:22

82

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Is it possible for the sum of two independent random variables (where at least one of them is not normal) to sum to a normal random variable?

Published on 09 Apr 2026 - 16:56

List Question

On the expected distance of two von Mises distributed random variables

is my selection of limits correct?

How to drive the CDF of random variable $Z$ define by $ Z=\frac{X_iX_j}{2X_i+X_j} $

Why is the multinomial coefficient best suited in this case?

Let $X\sim \exp(\lambda=1)$ and $Y \sim U(1,2) $ two independent random variables; what is the joint distribution function? Compute $P(X>Y)$

Is this why I get the PDF of $X$ if I have the PDF of $(X,Y)$

For what values of u is this a valid autocorrelation function

Show $Z_{n} \xrightarrow{d} \mathcal{N}(0,1)$

Family of densities on [0,1] with strictly positive density at zero

Find $E[X]$ from the function given

Appropriate terminology for classifying some assumptions

Distribution for $n$, the number of draws required to reach a target value

Indicator function of an exponentially distributed random variable.

Calculating F-distribution probability without tables (Hypothesis problem)

Is it possible for the sum of two independent random variables (where at least one of them is not normal) to sum to a normal random variable?

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