# Set Theory, Logic, Probability, Statistics

- Fundamentals: Set theory, logic and proofs. Probability and statistics
 Views: 8,556 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 09:25 AM micromass 1 27,238 what is gaussian function?what are it's field of applicaton?how this function is derived,i mean what are the logical... Feb1-14 10:49 AM Stephen Tashi 1 177 This is not a homework problem. Just a curiosity. But my statistics is way rusty. Suppose a binomial probability... Feb1-14 08:12 AM PeroK 1 145 $$1.\quad p\quad if\quad q\\ \equiv if\quad q\quad then\quad p\\ \equiv q\rightarrow p\\ \\$$2.\quad p\quad... Jan31-14 10:26 PM FactChecker 4 499 Hello, I have a question to Maximum Likelihood Estimation. The typical form of MLE looks like this: X = Hθ + W.... Jan31-14 10:13 PM FactChecker 4 272 I'm writing the paper on this experiment I just did. Basically I took sets of data for two variables (x,y) and I fit... Jan31-14 09:44 PM FactChecker 2 223 Hi, I am trying to understand the degrees of freedom parameter in the Chi_squared distribution and I have found... Jan31-14 08:50 PM FactChecker 4 216 Hi Can you please help me with this problem? "What is the maximum size of a set A of logical expressions that... Jan31-14 05:16 PM Stephen Tashi 1 181 Hi, It has been a long time since I have worked with pdfs so perhaps someone can help. According to Wikipedia... Jan30-14 07:06 AM Usjes 2 177 So I was thinking what would be the chances of two players on seperate pool tables playing the exact same game of... Jan29-14 07:49 PM bahamagreen 18 583 I have a mean mu, and an exponential distribution function. How do I use a random number, generated with a PRNG, to... Jan29-14 10:34 AM oneamp 6 235 Hi, I generally know the concept of degrees of freedom based on the commonly used explanation about how using the... Jan28-14 10:59 AM Stephen Tashi 1 418 Hello everyone, I have a large number of measurements with associated uncertainties, and I know that the real... Jan28-14 10:19 AM Stephen Tashi 11 359 hey pf! can someone help me understand why a pdf is defined in the following manner: \lim_{\substack{N\to \infty\\... Jan27-14 09:18 PM joshmccraney 2 195 Hi, i was wondering if the following is valid: E = E / E, given that {x,y} are non-negative and independent... Jan27-14 06:28 PM economicsnerd 2 219 For a simple linear model: \alpha+\beta\times x=y If it is observed that y \in (-8.51,23.20) given x=4 The... Jan27-14 03:39 PM mathman 1 150 I have taken a course in probability and statistics, and did well, but still I feel that I do not grasp the core of... Jan26-14 05:33 PM PeroK 63 3,350 I wonder what parts of statistics have specific terms existing for them - I see a relevant notion which would be... Jan26-14 04:24 PM snorkack 3 258 Hi, I am trying to learn something about Bayesian Analysis by doing an example. I have a series of 10 matches... Jan26-14 11:44 AM Stephen Tashi 5 262 If your betting on a coin flip but person a is the banker and person b can quit at any time, does person b have an... Jan26-14 03:22 AM FactChecker 6 268 Hello I am building a set of data. It is composed of events that occur at discrete times throughout a day. There... Jan26-14 02:54 AM FactChecker 3 224 Can anyone explain to me why the gaussian white noise term is multiplied by the square root of the time differential... Jan22-14 12:36 AM dsdsuster 2 256 Suppose I have a normally distributed random variable with unknown mean μ and known standard deviation σ. Based on n... Jan21-14 01:42 PM Hornbein 3 370 Hello, I've been looking at the derivation of the exponential function, here http://www.statlect.com/ucdexp1.htm... Jan21-14 12:07 PM mfb 5 228 I can easily solve a problem if the probabilities are already defined in the question.. such as P(A|B) But I always... Jan20-14 04:17 PM Retro95 2 226 http://i.stack.imgur.com/kGRAN.png w1,w2,w3,w4,w5 are normally distributed i.i.d R.V. I want to calculate the... Jan19-14 06:10 AM ehudwe 4 372 The lowest value for {the expected number flips of a fair coin to get a random (uniform) digit} seems to be 4.6. Can... Jan18-14 10:15 PM Zafa Pi 6 220 This question is only about formal definitions, so it is only about how we define things. It is probably very easy... Jan18-14 08:05 PM bobby2k 14 666 When reading about Gödel's incompleteness theorem(s) a few years back, I vaguely remember reading the statement that... Jan18-14 08:00 PM jgens 3 320 A professor in Cambridge University has showed his proof that the sum of natural number was equal to -1/12. The video... Jan18-14 08:09 AM D H 1 219 Greetings: I came a cross a textbook example in a discrete math book that I have been reading on my own, and I... Jan16-14 11:08 AM Stephen Tashi 2 324 Hey pf! I think this is the correct thread. Basically, if I take a line segment and remove half of it, what happens... Jan15-14 01:41 PM .Scott 1 205 I have a final exam in probability and I faced a question that made me think of the logic and the concept of the... Jan15-14 12:24 PM Hornbein 4 412 I have a bunch of noisy data points (x,y), and I want to model the data as y = ax2 + bx + c + noise where noise can... Jan13-14 01:28 PM Office_Shredder 2 347 Hi All, I am not sure if this is the right section to post this question but it does involve probability..so please... Jan13-14 04:30 AM sinbi 0 253 In model theory one distinguishes between an entity in the model and symbols in the theory. For example, a number n... Jan11-14 11:46 PM nomadreid 0 317 HI - what is the best textbook, website or another resource to learn about ordinal numbers (Alph -0, Alph-1, etc) and... Jan11-14 11:36 PM nomadreid 1 264 I was wondering, is there a formula that converts a given z-score to its respective percentile rank? I know I can... Jan11-14 04:53 PM DrDu 3 338 For a set with n points of data, why is the "degree of freedom" of the standard variance n-1? Hell, what does "degree... Jan10-14 03:38 PM statdad 9 445 Hello, What "choice" does the Axiom of Choice permit us to make? I've searched high and low and not found a... Jan9-14 12:29 AM pwsnafu 6 403 Hello May I know what is the difference between Confidence Interval for Population Mean (μ) when σ Known vs... Jan8-14 09:34 AM DrDu 4 317