Question

Geometric distribution, can this approach be correct?

score 44 · Answer 1 · 2026-04-15 15:10:50

44

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Geometric distribution, can this approach be correct?

Published on 15 Apr 2026 - 15:10

score 67 · Answer 2 · 2026-04-14 03:43:49

67

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If $\|x_n\|_2 \to \infty$ in $L_2$-norm, does $\|x_n\|_{1+\varepsilon} \to \infty$ in $L_{1+\varepsilon}$-norm, for all $\varepsilon > 0$?

Published on 14 Apr 2026 - 3:43

score 106 · Answer 3 · 2026-04-13 20:46:40

106

Views

How to setup the problem $P(Z^4 - 17 \ge 9)$ for Exponential(4) distribution

Published on 13 Apr 2026 - 20:46

score 35 · Answer 4 · 2026-04-14 18:28:38

35

Views

How is P(B) derived and why is $P(D_i)$ equal to 55/72 and not $(55/72)^i$

Published on 14 Apr 2026 - 18:28

score 295 · Answer 5 · 2026-04-13 04:33:58

295

Views

Convergence (to zero) for PDF of normal distribution.

Published on 13 Apr 2026 - 4:33

score 36 · Answer 6 · 2026-04-13 22:25:00

36

Views

Uniform distributed success probability for a coin

Published on 13 Apr 2026 - 22:25

score 65 · Answer 7 · 2026-04-14 20:31:39

65

Views

$U$~$N(3,16)$ $V$ ~$\chi_{9}^{2}$ U and V are independent random variables. Find $P(U-3<4.33\sqrt{V})$

Published on 14 Apr 2026 - 20:31

score 423 · Answer 8 · 2026-04-09 12:41:03

423

Views

How does the probability of events change if an event does not occur

Published on 09 Apr 2026 - 12:41

score 32 · Answer 9 · 2026-04-23 15:16:28

32

Views

A example of a CDF tends in law to a variable Y but its variance does not tends to var(Y)

Published on 23 Apr 2026 - 15:16

score 84 · Answer 10 · 2026-04-13 17:57:58

84

Views

Difficult demonstration - How to show that $H_n$ is normal distributed $N(\xi,\sigma^2)$ starting from its moments $ξ$ and $σ$?

Published on 13 Apr 2026 - 17:57

score 294 · Answer 11 · 2026-04-15 22:31:02

294

Views

If $X\sim \mathrm{lognormal}$ then $Y:=(X-d|x\geq d)$ has approximately a Generalized Pareto distribution.

Published on 15 Apr 2026 - 22:31

score 37 · Answer 12 · 2026-04-14 02:27:50

37

Views

Prove that for a fair coin, lengths of series of zeros or ones have geometric distribution

Published on 14 Apr 2026 - 2:27

score 52 · Answer 13 · 2026-04-15 19:29:39

52

Views

Does $X_1,...,X_n$ being a random sample from $N(\mu,\sigma^2)$ $\implies \frac{\overline{X}-\mu}{\frac{s}{\sqrt{n}}}$ ~$t_{n-1}$?

Published on 15 Apr 2026 - 19:29

score 171 · Answer 14 · 2026-04-12 11:57:12

171

Views

Is the zero truncated Poisson Distribution part of the Exponential Family?

Published on 12 Apr 2026 - 11:57

score 64 · Answer 15 · 2026-04-14 17:48:18

64

Views

how to derive this property of exponential distribution?

Published on 14 Apr 2026 - 17:48

List Question

Geometric distribution, can this approach be correct?

If $\|x_n\|_2 \to \infty$ in $L_2$-norm, does $\|x_n\|_{1+\varepsilon} \to \infty$ in $L_{1+\varepsilon}$-norm, for all $\varepsilon > 0$?

How to setup the problem $P(Z^4 - 17 \ge 9)$ for Exponential(4) distribution

How is P(B) derived and why is $P(D_i)$ equal to 55/72 and not $(55/72)^i$

Convergence (to zero) for PDF of normal distribution.

Uniform distributed success probability for a coin

$U$~$N(3,16)$ $V$ ~$\chi_{9}^{2}$ U and V are independent random variables. Find $P(U-3<4.33\sqrt{V})$

How does the probability of events change if an event does not occur

A example of a CDF tends in law to a variable Y but its variance does not tends to var(Y)

Difficult demonstration - How to show that $H_n$ is normal distributed $N(\xi,\sigma^2)$ starting from its moments $ξ$ and $σ$?

If $X\sim \mathrm{lognormal}$ then $Y:=(X-d|x\geq d)$ has approximately a Generalized Pareto distribution.

Prove that for a fair coin, lengths of series of zeros or ones have geometric distribution

Does $X_1,...,X_n$ being a random sample from $N(\mu,\sigma^2)$ $\implies \frac{\overline{X}-\mu}{\frac{s}{\sqrt{n}}}$ ~$t_{n-1}$?

Is the zero truncated Poisson Distribution part of the Exponential Family?

how to derive this property of exponential distribution?

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