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mert's user avatar
mert's user avatar
mert
  • Member for 10 years, 7 months
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4 votes

How to solve for a,b,c,d from two equations?

4 votes
Accepted

A sequence $( a_n )$ is defined by $(a_1)=1$, and $a_{n+1}$=$\sqrt {a_n + 1}$, for $n \in \mathbb{N}$

2 votes

Two Problems on Probability

2 votes
Accepted

Calculate the covariance matrix of $\hat{\beta}$

2 votes

find an expression for the sum of the ith row of the pattern, and then prove its correctness

2 votes

Showing that the Geometric distribution $E(X)=\frac 1p$

1 vote
Accepted

If $X_1, \ldots, X_n \sim N(0,1)$, then $E(\max_{1 \leq i \leq n}X_i) = O(\sqrt{\log\ n})$. What does this mean for prediction of extreme events?

1 vote

Minimal value of the quadratic form $\mathbf{x}^t A \mathbf x$ subject to the contraint $\mathbf{x}^t \mathbf x = 1$

1 vote

Find a invertible matrix $Q$ such that $AQ$ = $B$

1 vote

Verify that the transform of $y(t) = t^2e^{at}$ is $Y(s) = \frac{2}{(s-a)^3}$

1 vote
Accepted

Probability of X

1 vote
Accepted

Discrete Distribution Help

1 vote

Ways to give 3 tickets to the cinema to 37 students: $P_{3,37}$ or $C_{3,37}$?

1 vote

Prove that $\lim\limits_{n\rightarrow\infty} \displaystyle\sum\nolimits_{k=1}^n\frac{n}{n^2+k^2x^2} =\frac{\tan^{-1}(x)}{x}$

1 vote
Accepted

Cumulative pdf, integration problems.

1 vote

left multiplication by invertible matrix doesn't change reduced row echelon form

1 vote

How many ten letter words are there with no repeated letters that contain neither the word ERGO nor the word LATER?

0 votes
Accepted

How do I prove inequalities and one-to-one function?

0 votes
Accepted

How can i solve this probability problem fast?

0 votes

Integer values of $m$ for which $x^2-(m-3)x+m = 0$ has greater then $2$

0 votes

Calculate the area - really stuck

0 votes

How do I determine the charasteristic function of $X^2$?

0 votes

How to find the exact value of an upper bound for an exponential random variable

0 votes
Accepted

Multivariate Distributions: transformation