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

Feb2313 09:25 AM
micromass

1 
27,680 
The following question appeared on a practice exam:
For
f(x,y) = 24xy if 0<x+y<1 , 0<x,y
0 elsewhere
...

Jun1012 06:54 AM
Flashcop

2 
2,389 
Now before I'll post the question , I want to be clear. Technically , this WAS a homework question. BUT since I don't...

Nov1907 03:20 AM
FlashStorm

6 
2,481 
Hallo,
I'm trying to compare the distance between two distributions that I got from a Kernel smoothing density...

Apr2014 10:46 AM
Stephen Tashi

1 
105 
Hi all. I am searching for a good text book on probability theory. I finished my B.S. in mathematics last fall and...

Sep1310 07:18 AM
mtaboga

2 
5,015 
I'm trying to figure out the formula I need...
ok, say that r=5, so there are 5 items {A,B,C,D,E}
And we want to...

Nov1611 09:37 AM
Edgardo

12 
4,169 
I have always struggled in understanding probability theory, but since coming across the measure theoretic approach it...

Oct2312 11:37 AM
Stephen Tashi

7 
1,110 
Consider 2 players, of which 1 has one more coin than player 2. Both throw all their coins simultaneously and observe...

May2911 02:17 AM
bpet

9 
2,000 
Hi,
as I am new in Matlab, so I need your help.
I want to replace the following inverse matrix (X'*X)^1 with...

Apr1012 07:46 AM
florenti

1 
1,915 
From my extremely small and inadequate knowledge of stochastic processes (and Wikipedia):
A stochastic process is a...

Oct2509 03:36 AM
bpet

1 
1,523 
Hi, Iam a new user of Maple and having hard time to figure out what Iam doing wrong.
I need to set up Monty Hall...

Dec1413 05:17 PM
fluffik

2 
488 
I cannot seem to get the first moment of Poisson's distribution with parameter a: P(n_1)=\frac{a^{n_1}e^{a}}{n_1!}...

Sep412 10:23 PM
Mute

10 
2,010 
The book states that ##P(xy,t)## represents the probability density that the potential has a value x at time t,...

Aug113 10:42 AM
fluidistic

2 
610 
I have downloaded all the elo ratings of all active chess players in May of the FIDE and I have made an histogram. I...

Oct2213 11:45 AM
fluidistic

6 
814 
Hello,
This is my first post  so let me know if I communicate incorrectly.
To start, note that my thread title...

Jun2910 09:09 PM
flux_factor

0 
1,650 
algorithm to prove lcm:
a:=m
b:=n
while a != b
if a < b
a:= a + m
else
b:= b + n

Mar1005 05:51 PM
Bartholomew

7 
5,048 
1) (C > A) and (!C > B)
2) (A and C) or (!C and B)
I use the logic calculator and found these two formulas are...

Mar2105 07:10 PM
flying2000

4 
1,240 
{<>, ~} is not a complete set of connectives..
It seems that we can't use Propostions P is all true and thus lead to...

Apr2205 12:00 PM
nounou

27 
6,345 
Is that possible using six states to draw a NFSA to represent a string ending with a symbol which occured even times...

Apr205 07:50 PM
flying2000

0 
1,342 
What are some of the elementary remedial procedures to multicollinearity (VIF >= 10) in linear regression? We were...

Jan109 10:59 AM
statdad

1 
2,852 
Hey,
I was wondering if anyone knows a bit about financial probability theory. I was wondering when you are pricing...

Aug408 08:21 PM
Focus

7 
1,573 
I was reading Stochastic Integration and Differential Equations by Protter and it had a nice theorem that every Levy...

Mar109 05:05 PM
Focus

0 
1,532 
Hi,
I have been struggling with Part 3 of this question for some time:
Computico Limited, currently operating in...

Mar2408 05:15 AM
Foilist

0 
1,453 
How does the theory of probability work in an equation whose parts are additive infinities of different powers that...

Nov2011 04:43 PM
Stephen Tashi

3 
1,141 
Hello,
I've been trying to find the answer to this question on the internet but no real luck so here goes:
...

Sep312 10:28 AM
Stephen Tashi

4 
819 
I'm trying to estimate the pvalue range for a Wilcoxon SignedRank Test using a Walpha table. For example:
Ho: M1...

Apr2507 08:59 AM
EnumaElish

1 
61,725 
& means belong to and # not equal to : $ subsets of
A={(t1,1/t): t&R, t # 0}
B= {(x,y) &R^2:y=1/(x+1), x#1}
i...

Jan2712 05:58 AM
chiro

4 
1,821 
Hi, I have a question
If X1,X2,...,Xn are independent random variables having chisquare distribution witn v=1 and...

Oct404 02:24 AM
TenaliRaman

1 
9,329 
A metric dp on the topological space X×Y, with dX(x,y) and dY(x1,y1) being metrics on X and Y respectively, is defined...

Aug608 04:08 PM
ForMyThunder

2 
1,755 
If \Omega is the set of all ordinals, what is the order type of \Omega?

Feb311 06:30 PM
micromass

2 
729 
I'm having trouble determining with confidence the deg.s of freedom (df) of a data set I'm dealing with.
I'm...

Feb308 03:59 PM
FortranMan

2 
1,792 
I found this post somewhere on the net. I am also getting a similar problem. Can you all please help?
...

Oct2306 09:33 AM
fortune

1 
1,217 
Ten phones are linked by only one line to the network. Each phone needs to log on average 12mins an hour to the...

Apr1109 01:29 PM
Focus

9 
1,095 
probabilitis and events occurs

Mar1410 03:55 AM
forum

0 
646 
Could anyone help me evaluate the integral
...

Oct1709 05:02 PM
mathman

1 
814 
I am confused on a basic probability inequality, could anyone help me on this:
If X>Y>t, then is P(X>t) larger or...

Oct2209 12:59 PM
statdad

2 
1,286 
Could anyone help me figure out the the probability density function (pdf) of X^(1/2)+Y^(1/2)+Z^(1/2) if X, Y...

Nov2509 08:54 AM
statdad

4 
876 
Suppose x_1,x_2,x_3,x_4 are nonnegative Independent and identicallydistributed random variables, is it true that ...

Dec609 03:52 PM
bpet

3 
1,211 
In many statements in probability, there is an assumption like bounded fourth moment, so is there any random variable...

Jan710 07:29 AM
bpet

1 
714 
it seems like all the major problems in math/stats are only in math. why is that? is it because stats is a relatively...

Mar1106 10:12 PM
EnumaElish

5 
1,689 
if you go down to the section called "do they always exist?" you'll find a venn diagram for 6 sets:...

Nov2309 10:43 PM
blkqi

1 
2,009 