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JohnK
  • Member for 8 years, 11 months
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66 votes

The Intuition behind l'Hopitals Rule

55 votes

What are the most overpowered theorems in mathematics?

17 votes
Accepted

Jointly Gaussian uncorrelated random variables are independent

15 votes

Deriving Moment Generating Function of the Negative Binomial?

11 votes

Prove $\sin^2\theta + \cos^2\theta = 1$

10 votes

Did Gauss ever make a mistake?

6 votes

Expected value of the product of functions of two independent random variables

5 votes

Conditional distribution of order statistics

4 votes

How to solve $4^x+\sin(x)=10$

4 votes

What is the simplest proof of the pythagorean theorem you know?

4 votes

Show that $\{f : [0, 1] \rightarrow [0, 1] : |f(t) − f(s)| \leq |t − s|$, $ \forall s, t \in [0, 1]\}$ is compact.

3 votes

Limit superior of $Y_1 + \ldots, Y_n$ with $Y_i$ bounded, i.i.d. and $\Pr(Y_1 \neq 0)>0$.

3 votes

Proof of binomial coefficient formula.

2 votes

Prove $\mathop {\lim }\limits_{n \to \infty } {{n - 1} \over {n + 1}} = 1$

2 votes

Proof of $(\forall x)(x^2+4x+5 \geqslant 0)$

2 votes
Accepted

Self study on probability and statitistics

2 votes

Deriving Mean and Variance of Laplace Distribution

2 votes

Power method convergence proof

2 votes
Accepted

Hypergeometric die toss

1 vote
Accepted

A sharpshooters hit a target with a probability of $\frac{3}{4}$

1 vote

Use the binomial theorem to show that for any positive integer $n$, $\displaystyle\sum_{i=0}^{n} {n \choose i} = 2^n$.

1 vote

How is $P_{\theta}(x-\epsilon<X<x+\epsilon)$ approximately $2\epsilon f(x\mid\theta)=2\epsilon L(\theta\mid x)$?

1 vote
Accepted

Change of Variable Technique help

1 vote

delta method question

1 vote

How to prove that e^x is convex?

1 vote

If every subsequence has a further subsequence that converges to $x$, then the sequence converges to $x$

1 vote

What kind of distribution is this and how do I calculate the expected value

1 vote

supremum and infimum of a bounded and decreasing sequence

1 vote
Accepted

Show that as $d$ goes to $\infty$, a standardized version of $X$ has the STD Normal Dist

1 vote

Probability question cards