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A.S.'s user avatar
A.S.'s user avatar
A.S.
  • Member for 8 years, 8 months
  • Last seen more than 7 years ago
20 votes

Are there any situations in which L'Hopital's Rule WILL NOT work?

15 votes
Accepted

How to prove $(\frac 1n)^n+(\frac 2n)^n+\cdots+(\frac nn)^n\geqslant\frac{3n+1}{2n+2}$

8 votes
Accepted

How might one prove the following inequality?

8 votes
Accepted

Concentration inequality for sum of squares of i.i.d. sub-exponential random variables?

7 votes
Accepted

Convergence of series $\sum\limits_{k=1}^\infty\frac{1}{X_1+\dots+X_k}$ with $(X_k)$ i.i.d. non integrable

7 votes

Let $M$ be a non-zero $3\times 3$ matrix satisfying $M^3=O$

6 votes

How to estimate numbers like $(19/20)^{30}$

5 votes

If we randomly select 25 integers between 1 and 100, how many consecutive integers should we expect?

5 votes

Multivariate Normal Distribution: Relationship between two conditional probabilities.

4 votes

closed form iterated logarithms

4 votes

Let $(s_n)$ be a sequence of nonnegative numbers, and $\sigma_n=\frac{1}{n}(s_1+s_2+\cdots +s_n)$. Show that $\liminf s_n \le \liminf \sigma_n$.

4 votes
Accepted

Probability of wearing a hat

4 votes
Accepted

Why can distributions be completely defined as probability measures on $\mathbb{R}$?

4 votes

Prove that the sequence converges absolutely

4 votes
Accepted

(Probability) How many tosses to cook n slices on both sides with probability > 85%

4 votes

Convergence of series $\sum\limits_{k=1}^\infty\frac{1}{X_1+\dots+X_k}$ with $(X_k)$ i.i.d. non integrable

4 votes
Accepted

How to compute $ \lim_{n\to +\infty}E[Y_{n}Y_{n-1}]$?

4 votes
Accepted

How to estimate $ \left(1 + \sqrt{2} + \sqrt{3} + \dots + \sqrt{n} \right) - \frac{2}{3} n \sqrt{n}$?

4 votes

probability density of the maximum of samples from a normalized uniform distribution

3 votes

Specific question about investment returns that needs someone smart to answer it!

3 votes
Accepted

Asymptotic Behavior of Ratio of Random Variables

3 votes
Accepted

Covariance between previous and next occurrence.

3 votes

Maximum Probability to hit the bear.

3 votes

$2\cdot5^x-7^x-4^x>0$ for $-1\le x<0$

3 votes

Given $\{A_n\}$, with $P\left(A_n\right)\to 1$, there exists a subsequence $\{n_k\}_{k\ge 1} \;$ such that $\; P\left(\bigcap_k A_{n_k}\right) > 0$

3 votes
Accepted

Is it true that $ \sum_{t = 1}^T \frac{T-t}{ t+ \sqrt{T-t}} \in O(T) $?

3 votes
Accepted

Can anything stronger than union bound be shown for correlated random variables

3 votes
Accepted

Probability of winning a contest after people join

3 votes

Let $f$ a continuous function. Is $f(cl(D))=cl(f(D))$

3 votes

Probability that the first randomly picked ball is white.

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