Set Theory, Logic, Probability, Statistics

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 Views: 8,396 Announcement: Two free ways to get Gold Membership! Jan17-12 Meta Thread / Thread Starter Last Post Replies Views Please post any and all homework or other textbook-style problems in one of the Homework & Coursework Questions... Feb23-13 10:25 AM micromass 1 27,214 Hello, I have a dataset of 5-dimensional real-valued vector X^j={x_i: i=1,2,3,4,5} and their corresponding y^j... May21-12 04:19 PM viraltux 1 819 Hi all, I'm trying to generate uniform random vectors with n dimensions. To be more precise, each of the elements of... May21-12 05:38 PM awkward 27 3,490 This is an argument I thought up after a class on combinatrical properties of the model \textbf{L}. Our course is... May21-12 10:32 PM AKG 3 1,089 Question is: "If you roll a fair coin 10 times what is the expected product of number of heads and number of... May22-12 06:00 AM haruspex 1 937 I'm struggling with Bayes' theory. Please consider the following: Example 1: Submarine sinks if one missile hits... May22-12 08:04 AM viraltux 5 1,008 I have a question about binomial distribution There is a random var X follows Binomial distribution ~B(n,p), where... May22-12 01:29 PM viraltux 11 3,243 The greatest lower bound and least upper bound of two elements a, b in a lattice do not have to be unique, do they? ... May23-12 04:15 PM dcpo 3 1,301 Need help A system contains two components A & B. The system will function so long as either A or B functions.... May24-12 07:30 AM tiny-tim 1 899 My attempt: In set theory, every thing is a set, even functions. Thus when we say "A is countable in M" we mean... May24-12 01:32 PM mpitluk 2 977 In general, how does one separate the product of two probability distributions with one of them known? Basically, I... May24-12 03:47 PM mathman 3 1,003 Must all models of ZFC (in a standard formulation) be at least countable? Why I think this: there are countably... May25-12 02:29 AM AKG 1 794 I was asked to help someone to work out the probability above. It was more than a year since I done similar questions... May25-12 02:58 AM viraltux 5 1,168 Hi, I am not able to comprehend the solution of a problem from a puzzle book. Your friend shows you an urn and... May25-12 09:15 AM D H 28 1,886 Hi All Would be most grateful if there are some pointers given on this question. Ques: There is a range of... May25-12 09:51 AM chiro 4 1,683 Doing a bit of study for an interview. Came across this question: "n unbiased coins. What is the probability that... May25-12 06:49 PM D H 14 1,975 Is it possible that 2 sigma-algebras could be independent under one measure but not independent under another? Many... May26-12 06:31 AM tunaaa 3 901 Hello everyone, I explain my problem: I have a set of histograms that do not appear normal (in the sense of the... May26-12 11:17 AM SW VandeCarr 4 1,270 Can't find (or maybe recognize when I see it) anything that discusses this question: A group G is a set of members.... May26-12 11:06 PM Rising Eagle 10 2,064 Can someone point me to a first-order axiomatization of ZFC? As I've mostly seen ZFC expressed in higher-order... May27-12 08:10 PM Hurkyl 2 788 Find the probability of scoring a total of 7 points (a) once, (b) at least once, (c) twice, in 2 tosses of a pair of... May28-12 12:58 AM sai teja 4 1,794 Hi, Suppose that there are M persons, and K balls number from 1 to K. Each person pulls k balls at the same time,... May28-12 08:39 AM S_David 42 2,930 This appears to be the only difference between a sigma-algebra and a Dynkin system: Sigma-algebra is closed under... May28-12 09:58 AM camillio 1 987 What is an induced measure? I have seen the formal definition many times i am trying to get a grasp of this concept.... May28-12 09:50 PM Vargo 1 1,295 Hi, I have K i.i.d. exponentially distributed random variables with mean unity. I need to find the CDF and PDF of... May29-12 09:42 AM haruspex 5 1,683 Hello! I´m currently reading Halmos - 'Naive Set Theory' on my own and try to solve the problems that the author has... May29-12 10:11 AM micromass 6 969 I have the following data set: condition A and condition B, with 4 replicates recorded over 3 time periods. ... May29-12 12:46 PM Monique 5 1,535 (a u b)'=a' u b' May29-12 06:46 PM berkeman 2 769 Is it true that for every standard formulation T of ZFC, T ⊢ the power set of {naturals}? After all, the empty set... May29-12 07:34 PM Amir Livne 5 1,347 In random walk, what is the meaning of "fi rst return visit" I am reading it at... May29-12 07:56 PM woundedtiger4 2 963 Let Bt1, Bt2 and Bt3 be standard Brownian motions with ~N(0,1). Then what is E ? Any help would be much... May29-12 09:50 PM chiro 3 1,517 Hi everyone, I'm doing a research subject about the correlation between the lunar tides and earthquakes, but I've... May29-12 10:25 PM chiro 3 1,070 Does any one have code for generating 2-D Markov processes of order up to 9? May30-12 05:04 PM Joel Levitt 0 920 Right, This is very confusing for myself, I'm pretty sure it will be so for everyone else. My question is really... May30-12 05:15 PM mathman 5 1,381 Hi, can someone provide me with a list of probability models that is akin to Von Mises but consists multiple... May30-12 06:28 PM nigels 0 777 After having read the first half of Introduction to Statistics and Data Analysis by Peck and Olsen, I must say that... May30-12 10:48 PM 20Tauri 8 2,215 Dear all I am trying to fit a simple ARCH(1)/GARCH(1,1) model to a set of binary data, i.e. I assume a latent GARCH... May31-12 05:37 AM viraltux 7 1,428 Hi all, My question is the following. Let's say I have two probability distributions; f(x|b)\,g(x|c) b and c... May31-12 03:06 PM viraltux 7 1,386 I'm not quite sure how to ask my question, so perhaps a rough description about transitive vs. non-transitive models... May31-12 03:55 PM mpitluk 0 774 I've done a decent amount of reading on the subject, and I used this method of course when reporting errors during lab... May31-12 04:14 PM dydxforsn 7 1,811 I was wondering if someone could please help me understand a simple problem of error propagation going from multiple... May31-12 09:22 PM Joel Levitt 33 8,840

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