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

Logic: Reductio Ad Absurdem Assumption

  • mathewslauren
  • · Replies 12 ·
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12

Graduate Cauchy convolution with other distribution

  • DrDu
  • · Replies 4 ·
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4

NFA Hello! (Wave) - Computation Theory Explanation

  • evinda
  • · Replies 11 ·
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11

What Language Does This DFA Recognize?

  • evinda
  • · Replies 10 ·
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10

Undergrad What distribution to use for a 'lavatorial' problem?

  • lavoisier
  • · Replies 6 ·
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6

Undergrad How to measure the 'agreement' between two assays?

  • lavoisier
  • · Replies 39 ·
2
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39

Undergrad Can I get thresholds from logistic regression coefficients?

  • lavoisier
  • · Replies 12 ·
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12

Undergrad Propagating Error in both numerator and denominator of ratio

  • Roo2
  • · Replies 9 ·
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9

Undergrad What is the average time to do a pass when data is read after a period of time?

  • cpscdave
  • · Replies 3 ·
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3

Graduate Sum of random variables, given sum of observed variables

  • Jeffack
  • · Replies 15 ·
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15
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1

How Can I Show That the Symmetric Difference of Sets is Associative?

  • evinda
  • · Replies 3 ·
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3

Undergrad Maximizing Targeted Reach in Advertising Campaigns: A Statistical Approach

  • Singto
  • · Replies 3 ·
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3

Graduate Frequency analysis of signal with unknown period

  • petterg
  • · Replies 5 ·
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5

Graduate Radioactive decay, relation between binomial to expon. dist

  • laserbuddha
  • · Replies 5 ·
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5

Undergrad Is This Set Theory Notation Correct for Describing Local Maxima?

  • rattma
  • · Replies 8 ·
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8

Undergrad Skewness and recomputing the average

  • jk22
  • · Replies 7 ·
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7

Undergrad Feynman's probability lecture -- a few questions

  • Adgorn
  • · Replies 17 ·
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17

Undergrad Identify Factorial: Is It Possible?

  • DuckAmuck
  • · Replies 2 ·
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2

High School Why is k not smaller than zero?

  • Clever Penguin
  • · Replies 4 ·
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4

Undergrad Temporal Database and its Relational Algebra

  • WWGD
  • · Replies 3 ·
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3

Elasticity of Demand problem help

  • hallie
  • · Replies 4 ·
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4

Mechanical Part Defects in Lot of 500 Pieces

  • paulmdrdo1
  • · Replies 2 ·
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2

Percentage Change Logic Question

  • BossChloe
  • · Replies 2 ·
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2

High School Need help in permutations and combinations

  • Shafia Zahin
  • · Replies 1 ·
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1

High School How many possible relations between two sets?

  • Battlemage!
  • · Replies 25 ·
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25

Graduate Conditional expectation and covariance of function of RVs

  • perplexabot
  • · Replies 14 ·
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14

Undergrad Can these equations be solved analytically?

  • lavoisier
  • · Replies 6 ·
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6

Graduate Linear Regression with Non Linear Basis Functions

  • joshthekid
  • · Replies 4 ·
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4

High School Math: Probability of Accessing CNN News from 2 Sites w/80% Reliability

  • DiracPool
  • · Replies 13 ·
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13

Proving p<=>~p: Two Contradictory and Identical Proofs Explained

  • solakis1
  • · Replies 5 ·
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5

Undergrad Question about the gaps between prime numbers

  • DuckAmuck
  • · Replies 6 ·
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6

Graduate Mean volume of sphere (normal distributed radius)

  • ChrisVer
  • · Replies 2 ·
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2

High School A whole bunch of dice -- Statistics riddle

  • Andreas C
  • · Replies 2 ·
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2

Graduate Qualitative meaning of central moments higher than 4th order

  • dgrosel
  • · Replies 4 ·
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4

High School A funny probability problem for the younger ones

  • geoffrey159
  • · Replies 21 ·
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21

Graduate Chi squared test for data with error

  • shadishacker
  • · Replies 7 ·
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7

Undergrad Can you make the induction step by contradiction?

  • jack476
  • · Replies 2 ·
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2

Undergrad Probability of getting 3 heads or more in 20 coin flips

  • Fady
  • · Replies 2 ·
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2

Equivalent Uniform Annual Cost

  • waptrick
  • · Replies 1 ·
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1

Undergrad Using prior knowledge to recover signal

  • pvm
  • · Replies 3 ·
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3

Graduate Integrate data plot, combine errors including correlation

  • venus_in_furs
  • · Replies 3 ·
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3

Undergrad How to compare two data sets with multiple samples

  • wahaj
  • · Replies 8 ·
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8

Graduate Approximation for volatility of random variable

  • Petr Rygr
  • · Replies 1 ·
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1

Undergrad Is this vacuously true? Is both true and vacuously true allowed?

  • Happiness
  • · Replies 11 ·
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11

Calculating the Probability of Winning $25 in a Bag Game

  • Yankel
  • · Replies 8 ·
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8

Graduate Explaining Probabilities in a deterministic world

  • asmani
  • · Replies 27 ·
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27

High School P → q with NOR operator and Constant F (false)

  • SamitC
  • · Replies 1 ·
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1

Undergrad If Ramsey cardinals exist, all powers using Def are countable?

  • nomadreid
  • · Replies 6 ·
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6

Undergrad Distribution function for specific 1D problem

  • gugk
  • · Replies 2 ·
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2

Which Person (if any) has a greater chance of picking out the Red ball?

  • pwange
  • · Replies 1 ·
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1

Graduate Help understanding ARIMA Model and ACF

  • semidevil
  • · Replies 1 ·
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1

Proving No Set Contains All Sets Without Russell's Paradox

  • nikkor180
  • · Replies 6 ·
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6

Proving A∪B=A∩B iff A=B with Boolean Algebra

  • solakis1
  • · Replies 1 ·
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1

Undergrad Conditional Proposition Equivalence

  • SamitC
  • · Replies 11 ·
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11

Undergrad Proving Set Relationships: A-B ⊂ A & (A∩B)c = A∪Bc

  • Chis96
  • · Replies 8 ·
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8

High School Is the inverse gamblers fallacy true or false?

  • windy miller
  • · Replies 5 ·
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5

Undergrad Fit a Poisson on Gaussian distributed data

  • ChrisVer
  • · Replies 10 ·
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10

Undergrad Why Does Covariance Matrix Change with Different Functions?

  • Silviu
  • · Replies 2 ·
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2

Fractions Word Problem Help: Solving 800/512

  • Duckfan
  • · Replies 8 ·
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8

High School Need to find the odds for my game

  • Alanay
  • · Replies 3 ·
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3

Work Rate Problem: 4 Men, 9 Women in 13.388 Days

  • NotaMathPerson
  • · Replies 6 ·
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6

Undergrad How is Cantor set similar to coin tosses?

  • EnumaElish
  • · Replies 3 ·
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3

High School How Much Would You Pay for a Game with Negative Expected Value?

  • batmantrippin
  • · Replies 10 ·
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10

High School What is the term for all numbers except the natural numbers?

  • Pjpic
  • · Replies 2 ·
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2

Solve Probability Problem: An Urn with 5 Black & 4 White Balls

  • Yankel
  • · Replies 3 ·
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3

Undergrad How Do You Estimate Covariance in Physics Experiments?

  • JulienB
  • · Replies 3 ·
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3

Undergrad Cantor's Controversies: Resolving Divisive Theories in Mathematics

  • greswd
  • · Replies 40 ·
2
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40

Graduate Why Is the Equality in This Spectral Analysis Proof Correct?

  • Ma Xie Er
  • · Replies 14 ·
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14

Inequality of logarithm function

  • anemone
  • · Replies 2 ·
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2

Undergrad Gödel's 1st Incompleteness Thm: Min Arithmetic Req'd?

  • nomadreid
  • · Replies 5 ·
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5

Re: Union and Intersection of Sets

  • Farhan1
  • · Replies 3 ·
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3

Random picking of 3 digit numbers

  • 7Kardz
  • · Replies 6 ·
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6

Can A∩B⊖∩C⊖ = A∩C⊖ be Equal to A∩B∩C= A∩B?

  • solakis1
  • · Replies 13 ·
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13

Undergrad Venn diagram for the reals and transfinite numbers as sets

  • zrek
  • · Replies 10 ·
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10

Undergrad Prime Number Theorem: the meaning of the limit

  • DaTario
  • · Replies 12 ·
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12

How Can Logic Laws Remove Implications in Expressions?

  • werebilby
  • · Replies 8 ·
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8

How Do You Solve a Word Problem Involving Charitable Donations?

  • NotaMathPerson
  • · Replies 6 ·
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6

Graduate How is Maxwell's Velocity Distribution Derived and Applied?

  • rabbed
  • · Replies 6 ·
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6

Undergrad Can MANOVA still be used with violated assumptions?

  • AWB
  • · Replies 5 ·
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5

Calculation of odds: probability and deviation

  • sfairbrother243
  • · Replies 1 ·
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1

Undergrad Why is so much well described by the normal distribution?

  • Erland
  • · Replies 8 ·
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8

Undergrad Euler's Formula for planar graphs - 1 or 2 ?

  • DaTario
  • · Replies 2 ·
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2

Graduate Algorithm creates representative set of data

  • mundek88
  • · Replies 1 ·
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1

Undergrad What is before the first transfinite ordinal, omega?

  • zrek
  • · Replies 12 ·
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12

Undergrad Extracting characteristics from time series data

  • Richard_Steele
  • · Replies 3 ·
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3

Proving Set Operations [Set Theory]

  • TheGreat
  • · Replies 11 ·
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11

Undergrad How do you implement the Dickey-Fuller test?

  • tomizzo
  • · Replies 4 ·
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4

Probability of Combinations and Permutations

  • mdzvi
  • · Replies 4 ·
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4

High School Simple probability with high frequency

  • windy miller
  • · Replies 1 ·
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1

Prop Logic Proof Help: (pv~q)vr; ~pv(q.~p)/q>r

  • chanimal
  • · Replies 4 ·
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4

Solving Recursion & Strings Problems

  • delc1
  • · Replies 4 ·
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4

Undergrad Most effective of 1000 groups given mean median mode and N

  • reddvoid
  • · Replies 6 ·
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6

Graduate Understanding Dedekind's Ketten: A Brief Explanation

  • Stoney Pete
  • · Replies 4 ·
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4

How to Approach a Logic Proof Involving Conditionals?

  • averyjedwards2
  • · Replies 4 ·
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4

Undergrad Is it better to use a regression or a classification?

  • lavoisier
  • · Replies 13 ·
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13

Probability of identifying both defective fuses in four or less tests

  • boosewell
  • · Replies 5 ·
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5

Undergrad Regression: which parameters to use and how to plot the data

  • ducmod
  • · Replies 2 ·
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2

Linear Equation Help: Plot, Find Eq., Approx Y for X=5

  • chanimal
  • · Replies 1 ·
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1

High School Proof that non-integer root of an integer is irrational

  • Swamp Thing
  • · Replies 10 ·
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10