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 
I always do questions on school that ask for a test of hypothesis where the sample data is already give, but what if...

Nov306 06:12 PM
EnumaElish

1 
4,771 
Quad tens must beat. Both players must use their two hole cards. In texas holdem you're dealt two cards and after...

Mar1114 02:48 PM
paisiello2

2 
286 
How can we prove that the power set of a finite set is finite?
Thanks.

Mar2607 12:15 PM
orcarus

15 
8,585 
Hi, I'm currently trying to work through a problem about calculating the most likely time for a hard disk to fail:
...

Dec2111 01:11 PM
Stephen Tashi

1 
1,448 
Hi guys!
I have a set of datapoints, and i´m about to use GaussNewton to fit a model function (Lorentzian) to...

Jan1210 03:10 PM
Or Entity?

6 
2,061 
Can anyone help me to found the the likehood fonction for Logperiodicpowerlaw ?
log(y(t))=A+(B(ttc)^β...

Dec1613 10:41 AM
Stephen Tashi

1 
391 
1.Given the joint probability distribution of Y1 and Y2:
f(y1,y2)= (2/5)*(2y1+3y2), 0
0, elsewhere
find
...

May104 06:16 AM
HallsofIvy

1 
2,625 
Hello All,
I calculated an average latency value let say 3 units
then after observing the network I found that...

Dec211 06:38 PM
Stephen Tashi

3 
1,461 
Hi all,
I've done a regression and have the Standard Error of the X coefficient (i.e. the slope).
How do I...

Nov210 01:48 PM
paradigm

1 
3,626 
Hi guys,
I am trying to learn why there is endogeneity in the following OLS estimated regression model:
...

Jun2112 07:11 AM
viraltux

1 
539 
Has anybody ever heard of some mathematical application of negative probabilities ? What problems arise from allowing...

Oct1507 10:36 PM
LukeD

7 
2,164 
If < is any total order in R, isn't it always possible to construct an infinite sequence
x1 > x2 > x3 > ... > y for...

Oct1011 11:28 PM
SteveL27

13 
2,460 
If we want to do a specific operation for each element in a set in specific order, is there some limitations for that?...

Sep2309 08:09 AM
g_edgar

2 
825 
I've been following the first few chapters of Yuri Manin's "A Course in Mathematical Logic for Mathematicians," and as...

Jul1510 04:49 AM
yossell

3 
987 
Say there are N gladiators, and I want to find the champion among them. The method by which this is done is a series...

Sep2812 02:33 AM
onomatomanic

6 
686 
Hi! Me and some guys at work has a little argue about how many combinations you can have after that you have throwed...

Aug1408 05:55 PM
CRGreathouse

1 
2,165 
Hi,
I know very little about maths. I'm struggling to get my head around a question I was asked today, and I was...

Apr2211 02:57 PM
Stephen Tashi

4 
4,186 
I am reading a reference that says, with f(x) being the failure probability density function, reliability of a system...

Dec913 04:30 AM
MrAnchovy

4 
412 
Hello. I have two probability density functions for two events. I would like to find the probability that they both...

Dec1013 03:41 PM
mathman

6 
601 
Hello
I am building a set of data. It is composed of events that occur at discrete times throughout a day. There...

Jan2614 02:54 AM
FactChecker

3 
252 
I have a mean mu, and an exponential distribution function. How do I use a random number, generated with a PRNG, to...

Jan2914 10:34 AM
oneamp

6 
260 
I am told that an exponential distribution is memoryless. But why aren't other distributions, such as the normal...

Feb514 12:23 PM
oneamp

3 
227 
Hello
May I know what is the difference between
Confidence Interval for Population Mean (μ) when σ Known vs...

Jan814 09:34 AM
DrDu

4 
354 
is there a way to explicitly express the chisquared inverse function?
when programming it, I have had to resort to...

Jun2911 06:53 PM
onanox

12 
4,379 
I have the following sequences of numbers:
1) 32, 16, 8, 4, 2, 1
2) 32, 16, 8, 2, 1, 0.5
3) 32, 16, 4, 2, 1, 0.5,...

Jul1010 01:20 PM
onako

1 
1,214 
Given a set of random real numbers G=(a, b, c, d, e, f, ...), Im supposed to calculate the number T such that the sum...

Feb2211 02:36 PM
onako

6 
909 
Given a set of 2D coordinates (real numbers, involves positives and negatives), I could calculate the (weighted)...

Feb2811 03:04 AM
onako

1 
1,126 
I have the following logical statement
(A \wedge B) \Longleftrightarrow (A \wedge C)
I want to find other logical...

Jun911 12:31 AM
praeclarum

3 
1,942 
What's the symbol in the attached image, that looks like a right pointing arrow, but with a short perpendicular arrow...

May3011 05:10 PM
micromass

8 
2,127 
I have a question on the textbook "Mathematical Logic: Propositional calculus, Boolean Algebras, predicate calculus"...

Jun311 10:55 AM
omoplata

2 
1,027 
I have a question on the book "Mathematical Logic: Propositional calculus, Boolean Algebras, predicate calculus" by...

Jun311 11:52 AM
omoplata

5 
1,250 
If \mathbb{Z} is the set of integers, what does \mathbb{Z/2Z} mean?

Jun411 08:40 PM
omoplata

5 
2,317 
Let's say I have a very large number of objects with some property which is Normally distributed. If I choose a subset...

Nov1211 02:03 AM
omoplata

10 
1,856 
I have a set a of stars, each of which have a magnitude in the K band ( K ) and a 1 sigma uncertainty ( dK )...

Feb2212 12:26 AM
Stephen Tashi

9 
1,315 
Hi all
Im hoping someone here can help me out. I'm developing a game and I have a dice system I'm using but I am...

Nov911 10:51 PM
Stephen Tashi

1 
1,241 
I am going to read 10 books in a certain period of time. The number of pages of the books varies between 40 and 1000...

Aug504 09:31 AM
FlatlineLemon

4 
1,306 
In the statement P > Q , Q is necessary for P.
I just don't get it ,why don't we say P is necessary for Q, can you...

Jul2404 12:51 PM
metacristi

6 
15,806 
How many combinations of three letters from the letters A,A,B,B,C,C,D are ther?

I...

Jan2605 09:48 PM
Omid

4 
2,643 
I'm quite confused bout lognormal distribution and normal distribution
Consider a threespan continuous beam. All...

Dec504 10:51 PM
omgitsroy326

0 
3,386 
Could someone explain to me the simple rules of adding subtracting multiplying dividing Normal and lognormal...

Dec704 02:24 PM
omgitsroy326

1 
5,668 