
Please post any and all homework or other textbookstyle problems in one of the Homework & Coursework Questions...

Feb2313 09:25 AM
micromass

1 
32,554 
Hi.
I've done a search already to see if this question has been answered but haven't found anything. Hope it's okay...

Jun1711 07:32 PM
kaleidoscope

21 
4,448 
Hi all,
I want to compute mean square error (MSE) for a problem but I'm not sure if I'm doing it right.
Suppose...

Jun2611 10:18 PM
kasraa

2 
2,420 
Let M_t = \sum_{i=1}^\infty \frac{1}{i} (N_t^i  \lambda t) where \{ N^i \} is a sequence of iid Poisson processes...

Jun1411 09:11 PM
spamiam

1 
2,035 
Hi friends,
The problem:
Assume the events A_i for i=1,2,...,n are of the same type. please trace the...

Jun1411 09:53 PM
Stephen Tashi

8 
1,207 
I'm using excel to calculate this, but I have a few questions.
I have a list which has 48 values, one per day,...

Jun1611 09:59 AM
hoodrych

17 
2,484 
I need to find the bestfit distribution for this. I'm using excel, so I need to be able to use xcel to graph it.
...

Jun1611 09:37 PM
Stephen Tashi

3 
1,240 
If i have the mgf of X and the mgf of Y where X~N(mx,vx) and Y~N(my,vy) and X and Y are independent ,
then if i want...

Jun1511 08:19 AM
micromass

1 
1,197 
http://en.wikipedia.org/wiki/Black%E2%80%93Scholes
BlackScholes model assumes securities prices follow a...

Jun1611 09:44 AM
Tosh5457

0 
1,594 
I've been trying to fit some data to a Poisson distribution using Curve Expert but have been unable to program the...

Jun1711 11:51 AM
Proton Soup

1 
744 
Hi Experts,
I'm working in industry and have an application requiring some expert knowledge on...

Jun1811 09:22 AM
tim8691

10 
2,142 
Hi, I keep seeing this come up
A1 ⊇ A2 ⊇ A3 .... is an infinite decreasing sequence of events. Prove from first...

Jun1611 01:33 PM
stukbv

20 
2,230 
In a recent federal appeals court case, a special 11judge panel sat to decide on a certain particular legal issue...

Jun2611 09:30 PM
Try Hard0

6 
2,055 
I need to find an approximation of the covariance of a function of a random variable.
\Theta1 log1/(1p1)] where...

Jun2111 04:22 AM
SW VandeCarr

9 
2,260 
Is this possible? I've been trying to find ways to do it and the function looks more and more nasty the further I go....

Jun1611 09:57 AM
dabeth

0 
1,206 
Hi, when asked to show that the addition of 2 independent RV's with the same distribution is once again of the same...

Jun1811 08:29 PM
IronHamster

8 
1,806 
Before you begin reading, I want to say thank you for helping, or attempting to help me. I really appreciate any help...

Jun2011 11:23 AM
Stephen Tashi

4 
1,246 
So I have a situation that I keep confusing myself with:
I am running a computer simulation that, after a set...

Jun1711 01:09 PM
Stephen Tashi

4 
2,486 
Hi, I am a bit confused.
Basically if I have a pdf, fX(x) and i want to work out the distribution of Y=X^2 for...

Jun1611 01:02 PM
stukbv

0 
779 
I was reading an introductory chapter on probability related to sample spaces. It had a mention that for uncountably...

Jun1611 03:34 PM
SteveL27

2 
1,413 
Hi, supposed I have a set of data points, and each data point has a certain value of uncertainty associated with it.
...

Jun2111 04:50 AM
SW VandeCarr

4 
1,940 
Hi there, I'm currently reading Li and Vitanyi's book on Kolmogorov complexity. Unfortunately, I don't have a good...

Jun1611 09:20 PM
kanima

0 
1,173 
1.
Russell's paradox is:
A={x:x∉x}
Is A a subset of itself?
But my question is:

Jun1911 11:30 PM
praeclarum

6 
2,313 
X and Y are 2 independent gaussian random variables with parameter a.
Z = XY / (XY)
W = XY / XY
I am to find ...

Jun1911 01:36 AM
bpet

1 
1,241 
Hello all,
I've been working on error analysis of the system, and I finally faced a big problem.
Let X~N(mu1,...

Jun1911 01:40 AM
bpet

7 
1,403 
Suppose that X sub 1, X sub 2,... X sub n and Y sub 1, Y sub 2,... Y sub n are independent random samples from...

Jun1711 09:59 PM
Stephen Tashi

1 
3,301 
I am new in statistic. I come across the sample variance calculation in a book and it explains that denominator is...

Jun2111 09:28 AM
Stephen Tashi

8 
8,271 
Hi, there, I was wondering if anyone knew a good way to implement ifstatements in recursiontheoretic terms....

Jun2311 09:16 PM
kanima

4 
1,518 
Suppose m+1 parallel (laid NS)roads cross n+1 parallel (laid EW) roads. In how many different ways one can move from...

Jun2111 01:54 AM
ssd

2 
1,090 
There is a bag in front of me. I am told it contains 100 red balls or 50 red balls and 50 blue balls. If I pick n red...

Jun2311 09:46 AM
b4826161

11 
1,679 
Hi,
I was wondering if anyone might want to help me with some less common dice probability. The dice mechanic is...

Jun2111 07:34 PM
Stephen Tashi

3 
3,595 
Given a poisson process Z(t) with a given rate lamda, k and m nonnegative integers and t and c real and positive...

Jun2211 11:22 PM
bpet

1 
900 
Good afternoon all
I need help in settling a debate. If say I have a 1/5 chance of gaining promotion in a year, do...

Jun2111 08:45 PM
cepheid

4 
1,168 
Dear all,
I have this problem:
the work aims to test the value (mean and error) of several sensors (with a different...

Jun2311 12:15 PM
Stephen Tashi

3 
1,406 
Hi all,
I had a question about calculating mutual information, a topic to which I am very new. Consider the...

Jun2711 11:42 PM
Stephen Tashi

3 
4,714 
What is the PDF of the exponential of a Gaussian random variable?
i.e. suppose W is a random variable drawn from a...

Jun2611 07:50 AM
samuelandjw

4 
3,422 
This text patch is taken from wikipedia article http://en.wikipedia.org/wiki/Julia_set
"For f(z) = z2 the Julia set...

Jun2711 11:50 AM
gursimran

2 
1,188 
I am trying to test the difference in motor performance (measured by the amount of time each rat is able to keep...

Jun2611 08:49 AM
Stephen Tashi

1 
1,613 
Can anybody help with this. How to calculate after how many spins the sector of 6 numbers will win, with probability...

Jun2711 08:50 AM
ninko

4 
1,468 
Hello all.
I have set up a model using the Kalman filter to estimate automobile prices. I'm having difficulty in...

Jun2811 04:23 AM
mtal

0 
1,785 
It may make on sense but I want to understand probability intuitively....!!!....can any one explain.....?how should i...

Jun2811 01:31 PM
quantizedzeus

2 
852 