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

High School How many numbers are there between 0 and 1

  • Brian Preece
  • · Replies 12 ·
Replies
12

Undergrad Fourier Transform of a Probability Distribution

  • NatanijelVasic
  • · Replies 9 ·
Replies
9

Undergrad Sampling bias in Gilovich et al's hot hand analysis

  • BWV
  • · Replies 24 ·
Replies
24

Probability Challenge: Find Interval of Integers Drawn from Urn

  • lfdahl
  • · Replies 2 ·
Replies
2

Undergrad What are the properties of a plane cut into regions by a set of lines?

  • Mr Davis 97
  • · Replies 1 ·
Replies
1

High School Is Validity the First Step in Evaluating Arguments?

  • r0bHadz
  • · Replies 17 ·
Replies
17

Undergrad Determine P(t = x) if % of sample drawn from gaussian > t

  • NotASmurf
  • · Replies 6 ·
Replies
6

High School Computing iterative square root of 2^x at aleph-0

  • jk22
  • · Replies 13 ·
Replies
13

Undergrad Bootstrap in Monte Carlo and the number of samples

  • diegzumillo
  • · Replies 8 ·
Replies
8

Undergrad How to determine an impact based on components

  • Semidevilz
  • · Replies 4 ·
Replies
4
Replies
1

What Are the Chances of Specific Dice Rolls in 20 Attempts?

  • mathmari
  • · Replies 6 ·
Replies
6

How many more biology students than physics from a pie chart?

  • sp3
  • · Replies 3 ·
Replies
3

Undergrad Function to find the probability distribution of a stock price

  • beamthegreat
  • · Replies 5 ·
Replies
5

Finding expected value and variance of a function of two normal variables

  • TheFallen018
  • · Replies 1 ·
Replies
1

Predicate Logic: Semantics and Validity

  • joyofbitz
  • · Replies 1 ·
Replies
1

Undergrad Why pick one confidence interval when 95 of 100 contain the true mean

  • fog37
  • · Replies 22 ·
Replies
22

Finding out the sequence as Martingale

  • WMDhamnekar
  • · Replies 3 ·
Replies
3
Replies
3

Undergrad Calculating Delta Values: Paired t Test

  • lamlam1
  • · Replies 3 ·
Replies
3

Calculating Loan Payments: A Simple Formula

  • Wilmer
  • · Replies 1 ·
Replies
1

High School Validity of statement about Jane, Pete and prize wins

  • opus
  • · Replies 9 ·
Replies
9

Graduate What is the limit of this (complicated) set?

  • Adeimantus
  • · Replies 1 ·
Replies
1

High School Why is gross profit margin different from markup?

  • Puzzled
  • · Replies 16 ·
Replies
16

Is this financial market viable?

  • WMDhamnekar
  • · Replies 2 ·
Replies
2

What is the probability that the second screw is also good?

  • sreeram
  • · Replies 2 ·
Replies
2

High School What are the probabilities involved with package shipping insurance?

  • kenny1999
  • · Replies 4 ·
Replies
4

Graduate Regression analysis: logarithm or relative change?

  • monsmatglad
  • · Replies 2 ·
Replies
2

Undergrad Lattice of truth values for a paraconsistent logic?

  • nomadreid
  • · Replies 2 ·
Replies
2

Undergrad Random Unit Vector Angle Difference

  • DuckAmuck
  • · Replies 8 ·
Replies
8

Undergrad Does Returning Marbles After Each Draw Affect Chi-square Test Results?

  • JFS321
  • · Replies 8 ·
Replies
8

Graduate Computing S(n,3) Stirling number of 2nd kind

  • Mr Davis 97
  • · Replies 1 ·
Replies
1

Undergrad Cardinality of a set of constant symbols (model theory)

  • nomadreid
  • · Replies 2 ·
Replies
2

High School What's the meaning of "random" in Mathematics?

  • fbs7
  • · Replies 97 ·
4
Replies
97

Graduate Two Bernoulli distribution- test hypothesis for biased coins

  • no_alone
  • · Replies 21 ·
Replies
21

Graduate Binomial as a sum of tetranomials

  • goofball
  • · Replies 3 ·
Replies
3

Graduate Minimizing tool cost while covering all required tasks

  • csopi
  • · Replies 5 ·
Replies
5

Undergrad When is it preferable to use semi-log and log-log graphs?

  • fog37
  • · Replies 4 ·
Replies
4

Graduate Reverse-engineering YouTube Recommenders?

  • WWGD
  • · Replies 3 ·
Replies
3

Undergrad Statistics proof: y = k x holds for a data set

  • avicenna
  • · Replies 4 ·
Replies
4

Undergrad Mathematical Induction: Showing Sums of 3 Consecutive Integers

  • dwyane wade
  • · Replies 1 ·
Replies
1

Undergrad Is this a distribution: testing linearity with the inner product notation?

  • member 428835
  • · Replies 20 ·
Replies
20

How do I convert from this mod number to a regular number?

  • SigmaS
  • · Replies 4 ·
Replies
4

Undergrad Variance of white noise and 1/f noise through a linear system

  • iVenky
  • · Replies 1 ·
Replies
1

Undergrad Defining subsets of number systems from supersets

  • RaamGeneral
  • · Replies 17 ·
Replies
17

How can I create a strong password to protect my online accounts?

  • Asawira Emaan
  • · Replies 3 ·
Replies
3

Bias of functions defined on samples for population

  • mathinator
  • · Replies 2 ·
Replies
2

Undergrad Is this formula for covariance wrong?

  • Veles
  • · Replies 1 ·
Replies
1

Four statistical questions need detailed answer , THx

  • lucy
  • · Replies 2 ·
Replies
2

Undergrad Why doesn't the solution to the Monty Hall problem make sense?

  • r0bHadz
  • · Replies 89 ·
3
Replies
89

Calculating the Probability of Winning a Masters Degree H-1B Visa Lottery

  • Jeny George
  • · Replies 2 ·
Replies
2

Guessing a three digit pin code from an 8 key keypad

  • jridgeman99
  • · Replies 2 ·
Replies
2

Why am I getting 2.7 instead of 2.5 for this weighted GPA calculation?

  • jridgeman99
  • · Replies 3 ·
Replies
3

Probability of Order Accuracy from A, C, or Not Accurate

  • jridgeman99
  • · Replies 1 ·
Replies
1

Probability of 4 Adults Having Health Insurance

  • jridgeman99
  • · Replies 1 ·
Replies
1

Undergrad Are There Any Theorems Relating Joint Distributions to Marginals?

  • WWCY
  • · Replies 7 ·
Replies
7

High School Does order matter when a burger's ingredients produce the same result?

  • Boltzman Oscillation
  • · Replies 12 ·
Replies
12

High School What is the process for converting dB/Hz to dB/decade?

  • jaydnul
  • · Replies 5 ·
Replies
5

High School Expectation of probability density function

  • songoku
  • · Replies 3 ·
Replies
3

Graduate Can Probit or Logit Models Be Used on Panel Data with 50 Subjects?

  • monsmatglad
  • · Replies 3 ·
Replies
3

High School Probability that 1000 coin flips results in >600 tails

  • Jonathan212
  • · Replies 47 ·
2
Replies
47

Mortgage payment, balance and interest breakdown with insurance premium

  • penelopedelmar
  • · Replies 1 ·
Replies
1

Percentage between two numbers

  • xNICK1
  • · Replies 2 ·
Replies
2

Probability of Missed Bullseye 3+ Times in 4 Shots

  • SteffiB
  • · Replies 1 ·
Replies
1

High School How to Present Statistical Data

  • J132456
  • · Replies 7 ·
Replies
7

High School Can this be called 'a coincidence'?

  • entropy1
  • · Replies 26 ·
Replies
26

Undergrad Why does information need probability?

  • fonz
  • · Replies 16 ·
Replies
16

Undergrad Finding a Factor's Contribution to An Average of a Product

  • Spanky1996
  • · Replies 4 ·
Replies
4

Undergrad Expectation value of Fourier conjugates

  • redtree
  • · Replies 1 ·
Replies
1

Undergrad Ways of Getting Sum for n-ary Digits

  • rabbed
  • · Replies 8 ·
Replies
8

Can bounded quantification define divisibility and primality?

  • Mafaz
  • · Replies 6 ·
Replies
6

Identity Proof: (A-B)-C=A-(B∪C)

  • gicm
  • · Replies 1 ·
Replies
1

Undergrad Fisher matrix - equivalence or not between sequences

  • fab13
  • · Replies 3 ·
Replies
3

Undergrad Probability-To-Exceed (PTE) and Chi^2 distribution

  • fab13
  • · Replies 5 ·
Replies
5

Undergrad What is the expected value of Cov(x,y)2 in an independent X and Y scenario?

  • haruspex
  • · Replies 17 ·
Replies
17

Graduate I need a Straight Compact Linear data model

  • 1plus1is10
  • · Replies 2 ·
Replies
2

Equivalence Classes: Solving Cbarker1's Problem

  • cbarker1
  • · Replies 1 ·
Replies
1

Proving A Subset B & C $\Rightarrow$ A Subset (B $\cup$ C)

  • cbarker1
  • · Replies 1 ·
Replies
1

Actual infinity vs. potentially infinity - Math philosophy

  • highmath
  • · Replies 4 ·
Replies
4

Joint cumulative distribution of dependent variables

  • OhMyMarkov
  • · Replies 5 ·
Replies
5

Undergrad Principal component analysis (PCA) coefficients

  • roam
  • · Replies 29 ·
Replies
29

How many subsets of set A satisfy given conditions?

  • Evgeny.Makarov
  • · Replies 2 ·
Replies
2

Two normal independent random variables

  • WMDhamnekar
  • · Replies 2 ·
Replies
2

Calculate Interest on Account: 2.1% per Annum

  • lave48
  • · Replies 2 ·
Replies
2

Undergrad Determining which statement is true

  • ver_mathstats
  • · Replies 4 ·
Replies
4

Undergrad Negation of universal implication for predicates P(x) and Q(x)

  • ver_mathstats
  • · Replies 1 ·
Replies
1

Undergrad Quantifiers with integers and rational numbers

  • ver_mathstats
  • · Replies 2 ·
Replies
2

Undergrad Ridge Regression Cross Validation

  • SchroedingersLion
  • · Replies 4 ·
Replies
4

Undergrad Bivariate normal distribution from normal linear combination

  • fisher garry
  • · Replies 2 ·
Replies
2

Undergrad Using PCA for variable reduction

  • roam
  • · Replies 6 ·
Replies
6

Undergrad Uncertainty: balance of two aspects?

  • nomadreid
  • · Replies 2 ·
Replies
2

Undergrad How Are Statistical Tables Created?

  • JFS321
  • · Replies 4 ·
Replies
4

Proving (x = y) using Axioms: Basic Arithmetic Proof

  • agapito
  • · Replies 1 ·
Replies
1

Undergrad Convergence of 2 sample means with 95% confidence

  • fahraynk
  • · Replies 7 ·
Replies
7

Undergrad Probability of getting a dice value

  • rabbed
  • · Replies 42 ·
2
Replies
42

Undergrad What Is the Probability of Getting a Specific Number When Throwing Three Dice?

  • kenny1999
  • · Replies 5 ·
Replies
5

High School Chi-squared test stat choosing a critical value

  • Vital
  • · Replies 5 ·
Replies
5

Undergrad Is the Inverse Image of a Computable Function Recursively Enumerable?

  • Bedrich
  • · Replies 3 ·
Replies
3

What are the key differences between a set and a class?

  • highmath
  • · Replies 1 ·
Replies
1