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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 Solving Logical Notation Problems Using Propositional Connectives & Quantifiers
  • p4nda
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Undergrad Interest calculated daily compounded monthly
  • bradles
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Undergrad I converting conditional statements into logical notation
  • dabige1010
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Undergrad Odds of Manchester United vs Aston Villa in FA Cup 3rd Round
  • billiards
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Undergrad Proving Power Set Inclusion: A Simple Proof for A⊆B and P(A)⊆P(B)
  • im2fastfouru
  • · Replies 7 ·
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Undergrad Conditional Probabilities Complementary Proof
  • rbzima
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Undergrad Which Die to Choose in the Dice Game?
  • mmg0789
  • · Replies 10 ·
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Undergrad Probability of Forming a Line on a 3x3 Grid with Random Selections
  • atqamar
  • · Replies 5 ·
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Graduate Continuity Property for Non-increasing Sets (Probability)
  • rbzima
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Undergrad Statistical variation of a flipped coin
  • SciSteve
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Undergrad Surjection: Is f^-1(X) Surjective? Why?
  • patfan7452
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Graduate What are the axioms that all of mathematics is built from?
  • Phate
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Undergrad This might be off topic but i with this math problem
  • braceface084
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Undergrad Probability Histogram and Central Limit Theorem
  • pociteh
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Graduate Proof of a Countability Theorem
  • patfan7452
  • · Replies 8 ·
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Undergrad What is the formula for creating a set of paired elements?
  • necro_ignis
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Graduate Boolean rings and Boolean algebras
  • quasar987
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Graduate Can Ordered Sum of Sets Be Well-Defined in All Cases?
  • Office_Shredder
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Undergrad Solving Probability Problems: Normal Distributions and the Chance of B < A
  • Marije
  • · Replies 1 ·
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Undergrad Solving 5V 4E Graph Theory Problem
  • dobry_den
  • · Replies 1 ·
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Graduate Central limit theorem and poker
  • JohanL
  • · Replies 8 ·
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Graduate Coding & GF(2): Understanding Logic in a Field
  • quasar987
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Graduate Finding Joint PDF of Two Exponential Random Variables
  • EugP
  • · Replies 2 ·
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Undergrad Understanding Strong Induction: P(1) to P(n)
  • disregardthat
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Graduate Someone help me understand how e is irrational proof
  • rock.freak667
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Graduate Is It a Skewness or Kurtosis Issue in My Data Distribution?
  • kimberley
  • · Replies 1 ·
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Undergrad Calculating Probability: Sum of 79 Rolls and Exceeding 300
  • AKBAR
  • · Replies 1 ·
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Undergrad Statistical Analysis of Input Parameters
  • hexa
  • · Replies 7 ·
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Undergrad Calculate Probability of Winning w/ Advantage & Bankroll
  • 111111
  • · Replies 4 ·
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  • Poll Poll
Undergrad Are All Math Definitions 'If and Only If' Statements?
  • pivoxa15
  • · Replies 5 ·
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Graduate Flaw in Cook's Theorem Proof: A Critical Analysis of the SAT Reduction
  • gnome
  • · Replies 10 ·
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Undergrad Is Undergraduate Debt Different Between Hispanic and Asian-American Students?
  • ultimatejester
  • · Replies 3 ·
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Undergrad Does probability depend on the amount of information one has?
  • philosophe
  • · Replies 3 ·
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Undergrad What is the Optimal Price for a Magazine with 140 Thousand Monthly Circulation?
  • cybershell
  • · Replies 3 ·
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Graduate Calculating Sample Size for an Olympic Sprinter Experiment
  • Pistone
  • · Replies 7 ·
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Graduate Solving a Belief Network Problem with Car Starting: A Bayesian Approach
  • sensitive
  • · Replies 4 ·
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High School Probability of picking one of several balls of one of two colors
  • sara_87
  • · Replies 3 ·
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Graduate Hash Tables + probability question
  • FlashStorm
  • · Replies 6 ·
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High School Can Zero Be Considered an Empty Set in Set Theory?
  • ferman
  • · Replies 6 ·
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Graduate Markov's Inequality: Estimating P(x>=a) in (1,4)
  • clipperdude21
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Undergrad Did I Apply Chebyshev's Inequality Correctly?
  • clipperdude21
  • · Replies 1 ·
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Undergrad Monty Hall Problem: Probability of Winning When Switching Doors
  • rbzima
  • · Replies 1 ·
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Undergrad How many ways can 12 people be divided into 3 equal groups?
  • abeen
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Graduate Bijection between infinite bases of vector spaces
  • andytoh
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Graduate Finding Class Posterior Probabilities from Linear Discriminant Function
  • sensitive
  • · Replies 1 ·
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Undergrad Odds of Street Address Digits Summing to 11
  • JustRandy
  • · Replies 10 ·
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Graduate How Is the Probability of the First Head on Odd Flips Calculated
  • PMH_1
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Graduate What is the standard error of the mean in analytical chemistry?
  • Sir
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Undergrad Validating Linear Regression Trendlines: Understanding R-Squared Values
  • jantunes
  • · Replies 3 ·
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Undergrad Binomial Expansion of (1+x)^n: Coefficient of x^n
  • sara_87
  • · Replies 1 ·
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Undergrad Notation Question: What Does \bigcup^{N}_{1}x_{n} Mean?
  • Asphodel
  • · Replies 3 ·
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Graduate What Are the Deeper Implications of Gödel's Theorems?
  • k3N70n
  • · Replies 12 ·
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Graduate Normal vs. LaPlace Distributions: Critical Values
  • kimberley
  • · Replies 1 ·
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Undergrad Binary relation in a cartesian product
  • nafees ahmad
  • · Replies 3 ·
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Undergrad Statistics - combinations of subsets
  • sara_87
  • · Replies 3 ·
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Undergrad Proving if a function is a valid probability distribution
  • kioria
  • · Replies 3 ·
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Undergrad Normal assumption with least squares regression
  • Guy Incognito
  • · Replies 3 ·
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Graduate An alternative to Metropolis Monte Carlo
  • christianjb
  • · Replies 2 ·
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High School An increase of $0,15 on a price of 2,50 is an increse by a fraction
  • rkm-87
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Undergrad The correct answer is A only if B means the same thing as A implies B.
  • ice109
  • · Replies 3 ·
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Graduate Checking Stationarity of ARMA (2,1) Model
  • sensitive
  • · Replies 3 ·
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Undergrad Understanding Normal Distribution Curve for Quality Control in CNC Machining
  • Analysis
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Graduate Topology: Bijection with Open intervals
  • MathColie
  • · Replies 3 ·
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Graduate Can a large number of monkeys write Hamlet?
  • phoenixthoth
  • · Replies 21 ·
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Undergrad Probability two people wear the same shirt
  • Guy Incognito
  • · Replies 2 ·
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Undergrad Finding Patterns in Multiple Dice Rolls: A Simple Solution
  • rbzima
  • · Replies 2 ·
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Graduate Correcting Autocorrletation in a Model with Dummies
  • coraUK
  • · Replies 1 ·
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High School Solve IQ: Percentage Homework - Min Male Swimmers Using Tennis Courts
  • doctorsaleem
  • · Replies 3 ·
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High School Solve 4-Digit Numbers w/ Same Digit Repeated Twice & Thrice
  • Zythyr
  • · Replies 3 ·
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Undergrad Calculating Standard Error for Sample Size
  • vky
  • · Replies 1 ·
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Graduate Understanding Bayesian Inference & Gaussian Distribution
  • sensitive
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Undergrad The Prosecutor's fallacy and probability
  • sensitive
  • · Replies 17 ·
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Graduate Proving the Intersection of Functions
  • Jacobpm64
  • · Replies 7 ·
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Graduate Relation between Catalan numbers
  • Pere Callahan
  • · Replies 2 ·
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Undergrad Have question need answer ( help )
  • kontakt
  • · Replies 2 ·
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Undergrad PCA and variance on particular axis
  • Asuralm
  • · Replies 1 ·
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Undergrad How Do You Calculate y1 and y2 for a Given Probability in a Normal Distribution?
  • someguy54
  • · Replies 1 ·
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Undergrad How Do You Determine the Constant in a Piecewise Probability Density Function?
  • someguy54
  • · Replies 1 ·
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Undergrad What is the meaning of a unique inverse for a bijective function?
  • waht
  • · Replies 5 ·
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Undergrad How can I calculate the PMF from a given CDF?
  • EugP
  • · Replies 1 ·
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Graduate Conditional normal distribution
  • jstar
  • · Replies 3 ·
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Undergrad Puzzling Prob Stats / Bayes problem
  • Quantumduck
  • · Replies 5 ·
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5
Undergrad Developing a Statistic Test: Can I Have Some Help?
  • brad sue
  • · Replies 1 ·
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High School How to solve for i in compounding interest formula A=P(1+i)^n?
  • cjp88
  • · Replies 3 ·
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Undergrad Finding the Probability of Picking a Family Member's Name: A Case of Two Tries
  • Reward
  • · Replies 1 ·
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Undergrad What is the Probability Mass Function
  • janela
  • · Replies 1 ·
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Undergrad Understanding Normal Distribution in Probability and Statistics
  • Analysis
  • · Replies 4 ·
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Undergrad What is the expected time between bites in a jungle full of bees?
  • janela
  • · Replies 3 ·
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Undergrad Probability of Sum in 3-Side Die: Answers Needed!
  • encapuchado
  • · Replies 4 ·
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Graduate Exponentials as eigenfunctions in LTI Systems
  • Tanja
  • · Replies 1 ·
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Graduate Convergence of Infinite Series with Increasing Denominators
  • pixel01
  • · Replies 4 ·
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Graduate Correlations with combined sums and products
  • mcorazao
  • · Replies 13 ·
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Undergrad Finding best fit distribution and its Parameters
  • shegal
  • · Replies 3 ·
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Graduate Prove Linear Correlation: m/sqrt(m^2) = sgn(m)
  • rwinston
  • · Replies 2 ·
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Graduate Can Negative Probabilities Revolutionize Traditional Probability Theory?
  • OOO
  • · Replies 7 ·
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Graduate Proving Non-Empty Finite Sets with Induction: A Challenge
  • SahDu
  • · Replies 3 ·
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Undergrad What is the difference with inequalities?
  • Trail_Builder
  • · Replies 7 ·
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High School How Many Significant Figures Are Correct in Rounding 6.0221367?
  • Joza
  • · Replies 4 ·
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Undergrad Implications from propositions A => B, A <=> C and C => B
  • x-is-y
  • · Replies 3 ·
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High School How Many Ladies Had All Four Items at the Church Fete?
  • ilvpat
  • · Replies 4 ·
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