Ritz's user avatar
Ritz's user avatar
Ritz's user avatar
Ritz
  • Member for 10 years, 1 month
  • Last seen more than 5 years ago
6 votes

Proving $E[X^4]=3σ^4$

5 votes

Finding moment generating functions for a dice roll

5 votes
Accepted

Can you simplify this expression?

4 votes

Differentiate the Function: $ f(x)= x\ln x\ - x $

4 votes

Why does $\sqrt{8^2+(8\sqrt 3)^2}=16$

4 votes
Accepted

Rouché theorem in queuing theory

3 votes

Puzzle of gold coins in the bag

3 votes
Accepted

A tough rearrangement

3 votes

Given E(X) and Var(X) find the Expectation of $E[x-2(X-1)^2]$

3 votes

Starting from state 0, the mean number of visits of state 2 before coming back to state 0 is?

3 votes
Accepted

Renewal process problem

3 votes

Queues with general arrival time and service time distributions

3 votes
Accepted

Theory of Queueing

2 votes
Accepted

Find $E[S]$ in an interrupted $M/G/1$ queue

2 votes
Accepted

Clarification on variance and expected value problem

2 votes
Accepted

Markov Chains: Finding the Embedded DTMC $P(t)$ from generator matrix $Q$

2 votes

Evaluating the ratio $ {{a_{n+1}}\over{a_n}}$ in calculating the radius of convergence for a power series

2 votes

For a M/M/1/K System, why is utilization = $\rho=\lambda T_s$

2 votes

Question about $M/GI/ \infty $ queue

2 votes

Poisson Modeling/ Queue Theory - Reference Material

2 votes

Arrange the following growth rates in increasing order: $O (n (\log n)^2), O (35^n), O(35n^2 + 11), O(1), O(n \log n)$

1 vote

What would the next step be in this integral problem?

1 vote
Accepted

How to compute this arithmatic series?

1 vote

Continuous Markov chains, arriving pairs

1 vote

When is a Markov chain null recurrent?

1 vote

Probability of winning more than half of the games with stronger opponent

1 vote

Find the number of 17-digit binary sequences with more 0's than 1's.

1 vote

M/M/3 queue - reducing wait time by adding servers

1 vote

L'Hospital's Rule to find limit

1 vote
Accepted

How to find E(Y) given that the random variable X is exponentially distributed with lambda equal to 0.5?