Set Theory, Logic, Probability, Statistics Forum

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Join experts in discussion on Set Theory, Logic, Probability, Statistics topics. Fundamentals in Set theory, logic and proofs. Probability and statistics also. Homework help is available.
Undergrad What is the expected number of fixed points in permutations?
  • Dragonfall
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Undergrad Monty Hall Problem: Does Switching Doors Increase Probability?
  • SixNein
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Undergrad Solving Problem in Statistics & Odds: 1 School's Case
  • Diffy
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Undergrad Proving Equality of Functions: Theorem on Domain and Output
  • evagelos
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Graduate What is the PMF of the number of modems in use at the given time?
  • wooya
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High School Multiple properties and property combinations
  • FirstInLine
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Graduate Sets vs Classes: Is Anything Beyond A Set?
  • dodo
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High School Is probability saved somewhere and somehow ?
  • danov
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Graduate Understanding a Proof Involving Integrals: Explained
  • jetoso
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Undergrad Philosophy of basic set theory proofs involving or .
  • scorpion990
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High School Combining Sets A and B Using If-Then Clause: AUB with C1 and C2
  • porums
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High School How many combinations can be made with 10 bowling pins in 10 positions?
  • oNesterud
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Graduate Calculating Probability with Infinite Product: 0.28
  • learnfrench
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Undergrad Is this logical reasoning correct?
  • frb
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High School What do superscripts and subscripts in statistical notation mean?
  • plasmon
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Undergrad Predicting World Record Mile Time with Limited Training and Population Data
  • futurebird
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Undergrad Distribution/confidence question for dummies
  • CRGreathouse
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Graduate The cardinality of the set of all finite subsets of an infinite set
  • Edward357
  • · Replies 10 ·
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Graduate How Can I Quickly Calculate This Integral Without Integration by Parts?
  • Trung
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Graduate Help with simple proof - comlement of unions.
  • scorpion990
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Graduate Normal Distribution: Sample Mean & Variance
  • axe69
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Graduate Is Cantor's Diagonal Argument Flawed in Its Application to Positive Integers?
  • ahristov
  • · Replies 38 ·
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Graduate Skill vs. Luck: Analyzing Probability in Stock Picking and Portfolio Management
  • uni412
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Undergrad Balls and bins problem from 'introduction to algorithms' textbook
  • mikepol
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What Are the Best Card Games That Center Around Probability?
  • jk4
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High School Logical Riddle: How Many Cars Do I Have?
  • roxberry
  • · Replies 29 ·
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Graduate What is the significance of strong equivalence in topological space metrics?
  • ForMyThunder
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Graduate Is \dot{F} in ZFU an Injection from Urelements to Naturals?
  • CRGreathouse
  • · Replies 13 ·
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Graduate What is the Role of Martingale Measures in Pricing Options?
  • Focus
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Graduate What is the Ito-Doeblin Formula?
  • BWV
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Graduate Are all probability spaces topologies?
  • BWV
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Undergrad What is the Significance of the Prime Symbol in Probability Events?
  • montoyas7940
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Undergrad Is r = –0.405 Significant at 5% for n = 22?
  • kma27
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Graduate How Can I Improve My Proof Writing Without Feedback?
  • futurebird
  • · Replies 11 ·
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Graduate How is reductio ad absurdum a valid proof method?
  • Werg22
  • · Replies 41 ·
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Undergrad Double Monty - Action At A Distance?
  • Simon 6
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Graduate Correlation functions of spin-2 fields
  • straybird
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Undergrad Exponential Function: Working Through a Coin Flipping Exercise
  • kateman
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High School Valid and Invalid Logic Arguments: Explained
  • peos69
  • · Replies 25 ·
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Graduate Combining Distributions for Accurate Function Timing: A Statistical Approach
  • CRGreathouse
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Undergrad Help Proving Commutative & Associative Properties of Unions & Intersections
  • Feldoh
  • · Replies 14 ·
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Graduate Conditional probability and sum of rvs question
  • MrFancy
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Graduate Probability of a Confidence Interval
  • shalomhk
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Undergrad Solving Continuous Interest Formulas: What Causes the Difference?
  • Tiburon11`
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Graduate Proof with regards to cumulative distribution function
  • Eidos
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Graduate Least-squares estimation of linear regression coefficients
  • DMTN
  • · Replies 12 ·
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Undergrad Solve the Tricky Probability Problem: Drawing Cards from a Standard Deck
  • davedave
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Undergrad A complex dice game (at least to me)
  • bobze
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Graduate Are max and min of n iid r.v.s. independent?
  • maverick280857
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Graduate Bounded Probability Density Function
  • robbins
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Graduate Optimizing Linear Estimators for Minimum Variance: How to Find the Best Weights?
  • purplebird
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Graduate Axiom of Choice: Unveiling the Mystery Behind Unsolvable Problems
  • Dragonfall
  • · Replies 17 ·
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Graduate Probability of a given data set given the parameters
  • tronter
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Graduate Dedekind-Cantor Axiom: What's Needed & Why?
  • Werg22
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Graduate Maximum of dependent exponential random variables
  • chased
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Undergrad The Envelope Paradox: What Does Maths Say?
  • colin9876
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Graduate Proof of a result inside a lemma?
  • tgt
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Graduate I have variance of response. How can I find it's MSE?
  • HF08
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Graduate Compute Q-Function for Gaussian Random Variables
  • NotoriousNick
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Graduate Is Every Asymmetric Relation Also Antisymmetric?
  • icantadd
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Graduate How to Define f(X) in Set Notation?
  • nasshi
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Graduate Understanding Cantor Set - What Are The Points Between Endpoints?
  • boombaby
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Undergrad Solving Set Theory Questions Using Natural Numbers and the Latin Alphabet
  • inbuninbu
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Graduate Understanding Recursively Enumerable Sets in Algorithms
  • tgt
  • · Replies 14 ·
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Graduate Proving a+b=b+a in Axiomatic Construction of Naturals
  • sutupidmath
  • · Replies 5 ·
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High School What is the probability of pulling a Z in Scrabble?
  • JoeTrumpet
  • · Replies 4 ·
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Undergrad Use of the term pair vs ordered pair
  • Werg22
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Graduate Tiling squares on the plane, methods
  • Coin
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Undergrad Elementary Logic Book: Complete Completeness Theorem Coverage
  • tgt
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Undergrad Nonlinear Regression: Getting Started with X to Predict Y
  • kenewbie
  • · Replies 10 ·
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Undergrad What Is the Probability of Rolling 9 Buncos in 30 Rounds?
  • stojakapimp
  • · Replies 12 ·
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Undergrad Conditional Probability in a card game
  • SiegeX
  • · Replies 1 ·
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Undergrad Calculating 40% Chance of More Hits: Moneyball Question
  • cgrady
  • · Replies 8 ·
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Undergrad What Are the Odds of Hitting A, J, or 2 on the Flop in Poker?
  • Offramp
  • · Replies 3 ·
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High School Combination and Permutation questions
  • yc716
  • · Replies 6 ·
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High School What Is the Probability of Picking the Unique Marble in a Handful?
  • hxtasy
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Graduate How Many Ordered Pairs Meet the Criteria for Ball Arrangement Probability?
  • mathwizarddud
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Undergrad Sampling to figure most common color in M&M packet
  • musicgold
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Graduate Page 87 of Introduction to Set Theory
  • sujoykroy
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High School Definition of Identity & Equation: Trig-Identity & Relation
  • LAVRANOS
  • · Replies 26 ·
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Graduate How Do Mathematicians Interpret the Concept of Set Outside Pure Set Theory?
  • Werg22
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Quote by Bertrand Russell on Probability
  • kkna9877
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Undergrad Is the use of Chi-square test appropriate for this experiment?
  • PleaseHelpMe
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Graduate Random Unit Vector From a uniform Distribution
  • emob2p
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High School How many subsets does set A have?
  • lipun4u
  • · Replies 6 ·
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Graduate Understanding Lebesgue Measure: Example of Open Intervals on [0,1]
  • tomprice
  • · Replies 1 ·
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Undergrad How would you prove that constant is a subset of logarithmic?
  • aaa59
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Undergrad Could functions form a set based on their relationships?
  • Mol_Bolom
  • · Replies 19 ·
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High School Help coming up with the right algebra formula to use.
  • wasteofo2
  • · Replies 7 ·
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Undergrad No single optimal strategy in poker
  • aquaregia
  • · Replies 7 ·
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Undergrad Intuitively, shouldn't variance always be 0?
  • samh
  • · Replies 3 ·
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Undergrad Regarding Floyd's cycle-finding algorithm
  • cyberfrenzy
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Undergrad What are the chances of achieving a 42% probability in this scenario?
  • Last_Exile
  • · Replies 9 ·
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Graduate Is this true, if so is it obvious?
  • Dragonfall
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Graduate Expectation for # Exchanges (Quicksort Algorithm)
  • rwinston
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High School Equivalent Statements: An Example
  • samp
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Graduate Upper bound for K-L divergence on discrete prob. space
  • Fra
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Graduate Hidden Markov Modeling and Background needed for Dynamical Systems
  • KickerOfElves
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Graduate Maximum of two correlated random variables
  • touqeerazam
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Graduate Question about Cardinality - Is the Universe One-Dimensional?
  • meichenl
  • · Replies 15 ·
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