Set Theory, Logic, Probability, Statistics Forum

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.

Threads

Undergrad Probability of X successes before Y failures on a d20 roll

  • jgsugden
  • · Replies 2 ·
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Undergrad What is the expected number of fixed points in permutations?

  • Dragonfall
  • · Replies 1 ·
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1

Undergrad Why the Monty Hall problem ignores the host's strategy

  • SixNein
  • · Replies 9 ·
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9

Undergrad Ranking school performance on a competition with score distributions

  • Diffy
  • · Replies 8 ·
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8

Undergrad Proving Equality of Functions: Theorem on Domain and Output

  • evagelos
  • · Replies 7 ·
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7

Graduate What is the PMF of the number of modems in use at the given time?

  • wooya
  • · Replies 1 ·
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1

High School Multiple properties and property combinations

  • FirstInLine
  • · Replies 2 ·
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2

Graduate Sets vs Classes: Is Anything Beyond A Set?

  • dodo
  • · Replies 1 ·
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1

High School Is probability saved somewhere and somehow ?

  • danov
  • · Replies 10 ·
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10

Graduate Why does the double integral in the expected value proof equal EX?

  • jetoso
  • · Replies 2 ·
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2

Undergrad Philosophy of basic set theory proofs involving or .

  • scorpion990
  • · Replies 5 ·
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5

High School Combining Sets A and B Using If-Then Clause: AUB with C1 and C2

  • porums
  • · Replies 1 ·
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1

High School How many combinations can be made with 10 bowling pins in 10 positions?

  • oNesterud
  • · Replies 1 ·
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1

Graduate Calculating Probability with Infinite Product: 0.28

  • learnfrench
  • · Replies 2 ·
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2

Undergrad Is this logical reasoning correct?

  • frb
  • · Replies 5 ·
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5

High School What do superscripts and subscripts in statistical notation mean?

  • plasmon
  • · Replies 1 ·
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1

Undergrad Predicting World Record Mile Time with Limited Training and Population Data

  • futurebird
  • · Replies 8 ·
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8

Undergrad Distribution/confidence question for dummies

  • CRGreathouse
  • · Replies 5 ·
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5

Graduate The cardinality of the set of all finite subsets of an infinite set

  • Edward357
  • · Replies 10 ·
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10

Graduate How Can I Quickly Calculate This Integral Without Integration by Parts?

  • Trung
  • · Replies 2 ·
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2

Graduate Why does 'x ∉ A ∪ B' imply 'x ∉ A and x ∉ B'?

  • scorpion990
  • · Replies 11 ·
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11

Graduate Show that z=(x̄−μ)/(σ/√n) using MGF and CDF

  • axe69
  • · Replies 2 ·
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2

Graduate Is Cantor's Diagonal Argument Flawed in Its Application to Positive Integers?

  • ahristov
  • · Replies 38 ·
2
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38

Graduate Why does the size of a portfolio manager pool affect probability of skill vs luck?

  • uni412
  • · Replies 1 ·
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1

Undergrad Balls and bins problem from 'introduction to algorithms' textbook

  • mikepol
  • · Replies 8 ·
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8

What Are the Best Card Games That Center Around Probability?

  • jk4
  • · Replies 3 ·
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3

High School Does "all but two" allow zero of that type in Boolean logic?

  • roxberry
  • · Replies 29 ·
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29

Graduate What is the significance of strong equivalence in topological space metrics?

  • ForMyThunder
  • · Replies 2 ·
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2

Graduate Is \dot{F} in ZFU an Injection from Urelements to Naturals?

  • CRGreathouse
  • · Replies 13 ·
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13

Graduate What is the Role of Martingale Measures in Pricing Options?

  • Focus
  • · Replies 7 ·
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7

Graduate What is the Ito-Doeblin Formula?

  • BWV
  • · Replies 2 ·
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2

Graduate Are all probability spaces topologies?

  • BWV
  • · Replies 2 ·
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2

Undergrad What is the Significance of the Prime Symbol in Probability Events?

  • montoyas7940
  • · Replies 2 ·
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2

Undergrad Is r = –0.405 Significant at 5% for n = 22?

  • kma27
  • · Replies 1 ·
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1

Graduate How Can I Improve My Proof Writing Without Feedback?

  • futurebird
  • · Replies 11 ·
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11

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
  • · Replies 4 ·
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4

Graduate Correlation functions of spin-2 fields

  • straybird
  • · Replies 5 ·
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5

Undergrad Proving coin flip data follows exponential decay

  • kateman
  • · Replies 4 ·
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4

High School Which logic arguments are valid with these four conditionals?

  • peos69
  • · Replies 25 ·
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25

Graduate Combining Distributions for Accurate Function Timing: A Statistical Approach

  • CRGreathouse
  • · Replies 6 ·
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6

Undergrad Proving associativity of union: (A ∪ B) ∪ C = A ∪ (B ∪ C)

  • Feldoh
  • · Replies 14 ·
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14

Graduate Conditional probability and sum of rvs question

  • MrFancy
  • · Replies 4 ·
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4

Graduate Probability of a Confidence Interval

  • shalomhk
  • · Replies 2 ·
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2

Undergrad Solving Continuous Interest Formulas: What Causes the Difference?

  • Tiburon11`
  • · Replies 1 ·
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1

Graduate Proof with regards to cumulative distribution function

  • Eidos
  • · Replies 6 ·
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6

Graduate Least-squares estimation of linear regression coefficients

  • DMTN
  • · Replies 12 ·
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12

Undergrad Probability that second card is an ace given one is a diamond

  • davedave
  • · Replies 7 ·
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7

Undergrad A complex dice game (at least to me)

  • bobze
  • · Replies 8 ·
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8

Graduate Are max and min of n iid r.v.s. independent?

  • maverick280857
  • · Replies 6 ·
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6

Graduate Bounded Probability Density Function

  • robbins
  • · Replies 2 ·
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2

Graduate Finding weights for a linear estimator with minimum variance

  • purplebird
  • · Replies 1 ·
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1

Graduate Problems that seem to need the axiom of choice but don't

  • Dragonfall
  • · Replies 17 ·
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17

Graduate Probability of a given data set given the parameters

  • tronter
  • · Replies 2 ·
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2

Graduate Why is the Dedekind-Cantor axiom needed for Euclidean geometry?

  • Werg22
  • · Replies 5 ·
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5

Graduate Maximum of dependent exponential random variables

  • chased
  • · Replies 3 ·
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3

Undergrad Two envelopes with one swap: why does swapping give higher expected value?

  • colin9876
  • · Replies 39 ·
2
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39

Graduate Proof of a result inside a lemma?

  • tgt
  • · Replies 9 ·
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9

Graduate I have variance of response. How can I find it's MSE?

  • HF08
  • · Replies 1 ·
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1

Graduate Compute Q-Function for Gaussian Random Variables

  • NotoriousNick
  • · Replies 2 ·
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2

Graduate Is Every Asymmetric Relation Also Antisymmetric?

  • icantadd
  • · Replies 2 ·
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2

Graduate How to Define f(X) in Set Notation?

  • nasshi
  • · Replies 1 ·
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1

Graduate Understanding Cantor Set - What Are The Points Between Endpoints?

  • boombaby
  • · Replies 4 ·
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4

Undergrad Solving Set Theory Questions Using Natural Numbers and the Latin Alphabet

  • inbuninbu
  • · Replies 10 ·
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10

Graduate Understanding Recursively Enumerable Sets in Algorithms

  • tgt
  • · Replies 14 ·
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14

Graduate Proving a+b=b+a in Axiomatic Construction of Naturals

  • sutupidmath
  • · Replies 5 ·
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5

High School What is the probability of pulling a Z in Scrabble?

  • JoeTrumpet
  • · Replies 4 ·
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4

Undergrad Use of the term pair vs ordered pair

  • Werg22
  • · Replies 4 ·
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4

Graduate Tiling squares on the plane, methods

  • Coin
  • · Replies 2 ·
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2

Undergrad Elementary Logic Book: Complete Completeness Theorem Coverage

  • tgt
  • · Replies 3 ·
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3

Undergrad Fitting a curved dataset with nonlinear regression

  • kenewbie
  • · Replies 10 ·
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10

Undergrad What Is the Probability of Rolling 9 Buncos in 30 Rounds?

  • stojakapimp
  • · Replies 12 ·
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12

Undergrad Conditional Probability in a card game

  • SiegeX
  • · Replies 1 ·
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1

Undergrad How is there a 40% chance a .275 batter gets more hits than a .300 batter in 15 games?

  • cgrady
  • · Replies 8 ·
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8

Undergrad What Are the Odds of Hitting A, J, or 2 on the Flop in Poker?

  • Offramp
  • · Replies 3 ·
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3

High School Combination and Permutation questions

  • yc716
  • · Replies 6 ·
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6

High School What Is the Probability of Picking the Unique Marble in a Handful?

  • hxtasy
  • · Replies 2 ·
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2

Graduate How Many Ordered Pairs Meet the Criteria for Ball Arrangement Probability?

  • mathwizarddud
  • · Replies 1 ·
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1

Undergrad Finding the most common M&M color from two samples of 10

  • musicgold
  • · Replies 1 ·
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1

Graduate Page 87 of Introduction to Set Theory

  • sujoykroy
  • · Replies 2 ·
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2

High School Why is tan²x + 1 = sec²x not a trig identity?

  • LAVRANOS
  • · Replies 26 ·
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26

Graduate How Do Mathematicians Interpret the Concept of Set Outside Pure Set Theory?

  • Werg22
  • · Replies 2 ·
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2

Quote by Bertrand Russell on Probability

  • kkna9877
  • · Replies 1 ·
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1

Undergrad Is the use of Chi-square test appropriate for this experiment?

  • PleaseHelpMe
  • · Replies 2 ·
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2

Graduate Random Unit Vector From a uniform Distribution

  • emob2p
  • · Replies 2 ·
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2

High School How many subsets does set A have?

  • lipun4u
  • · Replies 6 ·
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6

Graduate Understanding Lebesgue Measure: Example of Open Intervals on [0,1]

  • tomprice
  • · Replies 1 ·
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1

Undergrad How would you prove that constant is a subset of logarithmic?

  • aaa59
  • · Replies 3 ·
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3

Undergrad Could functions form a set based on their relationships?

  • Mol_Bolom
  • · Replies 19 ·
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19

High School Formula for optimal slot machine bet sizing given payout probability

  • wasteofo2
  • · Replies 7 ·
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7

Undergrad No single optimal strategy in poker

  • aquaregia
  • · Replies 7 ·
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7

Undergrad Intuitively, shouldn't variance always be 0?

  • samh
  • · Replies 3 ·
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3

Undergrad Regarding Floyd's cycle-finding algorithm

  • cyberfrenzy
  • · Replies 1 ·
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1

Undergrad What are the chances of achieving a 42% probability in this scenario?

  • Last_Exile
  • · Replies 9 ·
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9

Graduate Can every totally ordered set embed in a single class?

  • Dragonfall
  • · Replies 2 ·
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2

Graduate Expectation for # Exchanges (Quicksort Algorithm)

  • rwinston
  • · Replies 3 ·
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3

High School Equivalent Statements: An Example

  • samp
  • · Replies 1 ·
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1

Graduate Upper bound for K-L divergence on discrete prob. space

  • Fra
  • · Replies 8 ·
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8

Graduate Hidden Markov Modeling and Background needed for Dynamical Systems

  • KickerOfElves
  • · Replies 3 ·
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3

Graduate Maximum of two correlated random variables

  • touqeerazam
  • · Replies 2 ·
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2