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 I'm not sure I understand the problem, can someone clarify?
  • mr_coffee
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Undergrad What are Subset Pairs as mentioned in this problem?
  • 280Z28
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Undergrad Poisson Distribution: Doubling Time Effects
  • tutu
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Undergrad Somthing went wrong, A sample of 5 is selected from 40 (image included)
  • mr_coffee
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Undergrad Counting problem, exactly 5 heads obtained, coin
  • mr_coffee
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Undergrad Probabilty of sequential deaths
  • statistically_challe
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Undergrad Comparing the Probability of Events: Is the Difference Greater Than Expected?
  • pivoxa15
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Undergrad Compute 6^100 and 5^100 (mod 13): Solving the Mod Problem with Expert Help
  • krispiekr3am
  • · Replies 13 ·
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Undergrad How Is Russell's Paradox Resolved?
  • murshid_islam
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9
Undergrad Calculating Probabilities with Binomial Distribution
  • RSS
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Graduate Conditionally independent with a Random Chain.
  • fortune
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Graduate Understanding Proof Writing: Why We Use 3) instead of 4)
  • Salt
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4
High School Calculating Logs: Solving Log_{10}(1.8)
  • 3trQN
  • · Replies 8 ·
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Undergrad Suppose x is a discrete, binomial random variable
  • nachelle
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Graduate Probability of Bob Being Infected with Spread of Disease
  • mac11
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Undergrad Monty Hall - a conundrum within a conundrum
  • Simon 6
  • · Replies 21 ·
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High School What's the difference between = and <=> in logical statements?
  • AlbertEinstein
  • · Replies 14 ·
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Undergrad Component of Fibonacci Sequence
  • leospyder
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Undergrad What is the notation for the statement for some integer n ?
  • Nothing000
  • · Replies 8 ·
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Graduate Expected Max of n Realizations of X: Mean + SD?
  • ghotra
  • · Replies 3 ·
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Undergrad Probability question that I just can't solve.
  • datatec
  • · Replies 1 ·
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Undergrad Validate Algorithm Statistically: Questions & Answers
  • rickdatech
  • · Replies 1 ·
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Graduate Understanding Markov Processes: Steven's Questions
  • steven187
  • · Replies 4 ·
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Graduate Is Axiom 2 of Sigma Algebras Equivalent to X Being in the Sigma Field?
  • quasar987
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Undergrad How to prove a one to one function A -> A is also a onto function?
  • GreenApple
  • · Replies 8 ·
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High School Solving Word Problem: Fill 6L Car Radiator w/ 10% Antifreeze Solution
  • DethRose
  • · Replies 8 ·
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Undergrad Altered die problem (Probability)
  • bobsz
  • · Replies 3 ·
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Graduate What are the current open problems and trends in pure logic research?
  • MathematicalPhysicist
  • · Replies 4 ·
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Graduate Higher Cardinals: Example of Set with Cardinality Aleph2?
  • Son Goku
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Undergrad Group Definition: Closure Not Required?
  • radou
  • · Replies 3 ·
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Undergrad Stochastic Processes: Introduction and Tips
  • steven187
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Undergrad Expectation of random variable is constant?
  • LM741
  • · Replies 4 ·
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Graduate How can I find the characteristic function of a bivariate gaussian distribution?
  • steven187
  • · Replies 1 ·
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Graduate Countability: Subjective or Objective?
  • Swapnil
  • · Replies 8 ·
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High School Simple Probability: Understanding Odds of Picking Green Marbles from Bags
  • Paddy
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Undergrad Why does (13;1)(4;2)(48;1)(44;1)(40;1) fail in calculating a pair in Poker?
  • VonWeber
  • · Replies 2 ·
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Graduate Defining Choice Functions: When & How Without Using Axiom of Choice
  • Oxymoron
  • · Replies 73 ·
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Undergrad Calculate Wheat Field Yields: Mean of 10 Tons/Acre with 2 SD - Practice Problem
  • taffyleg
  • · Replies 3 ·
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Undergrad What is the true randomness of random numbers?
  • cDimino
  • · Replies 7 ·
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Undergrad Do Probabilities Always Approach Extremes at Infinity?
  • Gelsamel Epsilon
  • · Replies 9 ·
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High School Mastering Basic Symbolic Logic: Understanding Negations Intuitively
  • TrevE
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Graduate [Russell's Paradox] Help with Notation
  • neutrino
  • · Replies 9 ·
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High School Multiple Percentages Probability
  • PharaohsVizier
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Graduate Joint Distribution of Changing Mean
  • ghotra
  • · Replies 6 ·
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Undergrad How to determine the width of the zone of acceptance in hypothesis testing?
  • amberglo
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Undergrad How to calculate percentages on a TI-89 for a normal probability distribution?
  • sublime
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Undergrad What is the probability of a chord inside a circle being greater than D?
  • murshid_islam
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Graduate What is the structure of the Ultra Power Space?
  • phoenixthoth
  • · Replies 9 ·
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Undergrad Calculating Probability of Streaks in a Ball Picking Game - Help Needed!
  • memexyz
  • · Replies 18 ·
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Undergrad Calculating Probability for Mean Time Between Events
  • spock0149
  • · Replies 4 ·
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Undergrad Probability Problem (unfair coin)
  • hupdy
  • · Replies 8 ·
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Undergrad Binomical vs poisson distribution in Simulations
  • hagen
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Graduate Calculating Sum of Three Correlated Gaussian Distributions
  • mpoirier
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Graduate Radius probability of random cut hemisphere.
  • quasi426
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Graduate Can a statement imply itself without being true or false?
  • Alkatran
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Graduate An ordered pair defined as a set
  • radou
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Graduate Understanding Set Theory: Query on +, -, *. /
  • nigelwu
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4
Undergrad Is Euclid's 5th Postulate Crucial for Defining Euclidean Geometry?
  • radou
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Undergrad Probabilty of reliability and the failure rate
  • scotchpie
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Graduate What is the Remainder of a 3000-Layer 7 Power Tower Divided by 11?
  • phantasmagoriun
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Undergrad Combinatorics Challenge: Finding Equal Age Sums with 10 People in a Room
  • Sick0Fant
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Undergrad Is Induction or Deduction the Correct Approach?
  • mtanti
  • · Replies 43 ·
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High School Are 3.4 and 0.1 in the same order of magnitude?
  • billabuwl50
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Undergrad Is this correct(countable vs uncountable)
  • Azael
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High School If I had ((9-8.8))/8.8 how many sig figs would my answer have
  • billabuwl50
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Undergrad Everyday I take axioms for granted
  • J77
  • · Replies 8 ·
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8
Undergrad Do Extra Sig Figs Affect Uncertainty in Calculation Results?
  • billabuwl50
  • · Replies 5 ·
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High School How Can I Interpret This Graph?
  • navneet1990
  • · Replies 15 ·
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Undergrad How many ways can you arrange 7 students with specific groupings in a line?
  • hari_299
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Graduate Probability and Statistic on Infinite-Dimensional spaces
  • lokofer
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Graduate How Can We Measure the Level of Order in Particle Arrangements on Surfaces?
  • Jamesss
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High School Simple Conversion Problem: 6 Pounds in 30 Days to Milligrams/Second
  • pepsi_in_a_can
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Graduate Theories in maths which do not use the axiom of choice.
  • MathematicalPhysicist
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Graduate Complete preorders (and other binary relations)
  • CRGreathouse
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Graduate What is the projection of the empty set?
  • axeae
  • · Replies 2 ·
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Graduate Proving \epsilon_0 is the Smallest Epsilon Number
  • MathematicalPhysicist
  • · Replies 1 ·
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Graduate Create a mathematical expression using mereotopological theorem
  • agus
  • · Replies 1 ·
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Graduate Proving the Existence of the Empty Set in Every Set
  • sparkster
  • · Replies 15 ·
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Graduate Is the Negation of 'Some Box Contains 11 or More Balls' Correctly Translated?
  • adambk
  • · Replies 6 ·
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Graduate How do I calculate the joint distribution for N events?
  • Quaoar
  • · Replies 3 ·
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3
Graduate Can Every Combinatorial Graph Be Proven to Correspond to a Topological Space?
  • Oxymoron
  • · Replies 10 ·
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Undergrad Cracking Master Combination Locks
  • Julian Solos
  • · Replies 3 ·
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3
Undergrad Looking for a Beginner-Friendly Book on Parametric Regression?
  • Jummeth
  • · Replies 1 ·
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Graduate What is the connection between NP-Complete problems and this puzzle game?
  • -Job-
  • · Replies 4 ·
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4
Graduate Balls and Boxes Complicated Problem
  • DavidSmith
  • · Replies 1 ·
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Graduate Proof of the Deduction Principle
  • loseyourname
  • · Replies 8 ·
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Undergrad Solving Probability Questions: Bayes' Formula & Variables
  • Maxwell
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Graduate SUBSET-SUM problem can be solved in polynomial time
  • jetoso
  • · Replies 3 ·
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3
Graduate Axiomatic Systems: Does Boolean Logic Apply?
  • Manchot
  • · Replies 1 ·
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Undergrad Guys with Statistics: Solving Probability Problems for Extra Credit at WVU
  • shadymilkman
  • · Replies 6 ·
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6
Graduate A question in substitution in logic.
  • MathematicalPhysicist
  • · Replies 1 ·
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Graduate How to find pdf given moment generating function
  • math-chick_41
  • · Replies 1 ·
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Undergrad Simple (but interesting) gambling problem
  • Physics_wiz
  • · Replies 5 ·
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Graduate Deriving the Formula for Variance of Variance in Sample Data
  • Beamer
  • · Replies 4 ·
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4
Graduate What Is the Integral Formulation of the Chapman-Kolmogorov Formula?
  • eljose
  • · Replies 1 ·
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Graduate Calculating Expectation for a Random Walk with a Time-Varying Function
  • Steve10
  • · Replies 2 ·
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Undergrad Basic Set Theory: Understanding Problems
  • unztopable
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Graduate Solving Statistics with PDFs: Retiring 11 Cars/Week After 6 Years
  • Steve10
  • · Replies 13 ·
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Undergrad Normalizing Interconnected Data: A-A, A-B, B-B
  • Spiderman
  • · Replies 1 ·
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High School Gene lab based simple statistics question
  • Tloh
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