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.
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High School How are permutations and probability related?
- libervurto
- · Replies 1 ·
Reductio ad absurdum: negating part or all of the conclusion?
- mathewslauren
- · Replies 12 ·
Graduate Cauchy convolution with other distribution
- DrDu
- · Replies 4 ·
NFA Hello! (Wave) - Computation Theory Explanation
- evinda
- · Replies 11 ·
What Language Does This DFA Recognize?
- evinda
- · Replies 10 ·
Undergrad What distribution to use for a 'lavatorial' problem?
- lavoisier
- · Replies 6 ·
Undergrad How to measure the 'agreement' between two assays?
- lavoisier
- · Replies 39 ·
Undergrad Can I get thresholds from logistic regression coefficients?
- lavoisier
- · Replies 12 ·
Undergrad Propagating Error in both numerator and denominator of ratio
- Roo2
- · Replies 9 ·
Undergrad What is the average time to do a pass when data is read after a period of time?
- cpscdave
- · Replies 3 ·
Graduate Sum of random variables, given sum of observed variables
- Jeffack
- · Replies 15 ·
Compound Interest Problem: When Will Mr. Weasley's Liabilities Be Cancelled?
- pixie
- · Replies 1 ·
How Can I Show That the Symmetric Difference of Sets is Associative?
- evinda
- · Replies 3 ·
Undergrad Maximizing Targeted Reach in Advertising Campaigns: A Statistical Approach
- Singto
- · Replies 3 ·
Graduate Frequency analysis of signal with unknown period
- petterg
- · Replies 5 ·
Graduate Radioactive decay, relation between binomial to expon. dist
- laserbuddha
- · Replies 5 ·
Undergrad Set notation for local maxima with boundary conditions
- rattma
- · Replies 8 ·
Undergrad Skewness and recomputing the average
- jk22
- · Replies 7 ·
Undergrad Feynman's probability lecture -- a few questions
- Adgorn
- · Replies 17 ·
Undergrad Identify Factorial: Is It Possible?
- DuckAmuck
- · Replies 2 ·
High School Why is k not smaller than zero?
- Clever Penguin
- · Replies 4 ·
Undergrad Temporal Database and its Relational Algebra
- WWGD
- · Replies 3 ·
Simplifying elasticity of demand E(p)=-550p/(20000-550p)
- hallie
- · Replies 4 ·
Mechanical Part Defects in Lot of 500 Pieces
- paulmdrdo1
- · Replies 2 ·
Percentage Change Logic Question
- BossChloe
- · Replies 2 ·
High School How to distinguish permutations from combinations
- Shafia Zahin
- · Replies 1 ·
High School How many possible relations between two sets?
- Battlemage!
- · Replies 25 ·
Graduate Conditional expectation and covariance of function of RVs
- perplexabot
- · Replies 14 ·
Undergrad Can these equations be solved analytically?
- lavoisier
- · Replies 6 ·
Graduate Linear Regression with Non Linear Basis Functions
- joshthekid
- · Replies 4 ·
High School Probability of getting a CNN feed from at least one of two sites with 80% reliability
- DiracPool
- · Replies 13 ·
Why does p<=>~p produce both contradiction and tautology?
- solakis1
- · Replies 5 ·
Undergrad Do any primes satisfy pn+1 > pn² or pn+1 > 2pn?
- DuckAmuck
- · Replies 6 ·
Graduate Mean volume of sphere (normal distributed radius)
- ChrisVer
- · Replies 2 ·
High School A whole bunch of dice -- Statistics riddle
- Andreas C
- · Replies 2 ·
Graduate Qualitative meaning of central moments higher than 4th order
- dgrosel
- · Replies 4 ·
High School A funny probability problem for the younger ones
- geoffrey159
- · Replies 21 ·
Graduate Chi squared test for data with error
- shadishacker
- · Replies 7 ·
Undergrad Can you make the induction step by contradiction?
- jack476
- · Replies 2 ·
Undergrad Probability of getting 3 heads or more in 20 coin flips
- Fady
- · Replies 2 ·
Equivalent Uniform Annual Cost
- waptrick
- · Replies 1 ·
Undergrad Using prior knowledge to recover signal
- pvm
- · Replies 3 ·
Graduate Integrate data plot, combine errors including correlation
- venus_in_furs
- · Replies 3 ·
Undergrad How to compare two data sets with multiple samples
- wahaj
- · Replies 8 ·
Graduate Approximation for volatility of random variable
- Petr Rygr
- · Replies 1 ·
Undergrad Can a conditional statement be both vacuously and non-vacuously true?
- Happiness
- · Replies 11 ·
Calculating the Probability of Winning $25 in a Bag Game
- Yankel
- · Replies 8 ·
Graduate Where does probability distribution come from in a deterministic universe
- asmani
- · Replies 27 ·
High School P → q with NOR operator and Constant F (false)
- SamitC
- · Replies 1 ·
Undergrad If Ramsey cardinals exist, all powers using Def are countable?
- nomadreid
- · Replies 6 ·
Undergrad Distribution function for specific 1D problem
- gugk
- · Replies 2 ·
Which Person (if any) has a greater chance of picking out the Red ball?
- pwange
- · Replies 1 ·
Graduate ARIMA model stationarity, ACF and PACF interpretation
- semidevil
- · Replies 1 ·
Proving No Set Contains All Sets Without Russell's Paradox
- nikkor180
- · Replies 6 ·
Proving A∪B=A∩B iff A=B with Boolean Algebra
- solakis1
- · Replies 1 ·
Undergrad Conditional Proposition Equivalence
- SamitC
- · Replies 11 ·
Undergrad Prove A−B ⊂ A and De Morgan's laws for sets
- Chis96
- · Replies 8 ·
High School Is the inverse gamblers fallacy true or false?
- windy miller
- · Replies 5 ·
Undergrad Fit a Poisson on Gaussian distributed data
- ChrisVer
- · Replies 10 ·
Undergrad Why Does Covariance Matrix Change with Different Functions?
- Silviu
- · Replies 2 ·
Converting 512/800 to a mixed number in lowest terms
- Duckfan
- · Replies 8 ·
High School Need to find the odds for my game
- Alanay
- · Replies 3 ·
Can 4 men and 9 women complete work in 13.388 days?
- NotaMathPerson
- · Replies 6 ·
Undergrad How is Cantor set similar to coin tosses?
- EnumaElish
- · Replies 3 ·
High School How Much Would You Pay for a Game with Negative Expected Value?
- batmantrippin
- · Replies 10 ·
High School What is the term for all numbers except the natural numbers?
- Pjpic
- · Replies 2 ·
Probability the first ball was white given the last was white
- Yankel
- · Replies 3 ·
Undergrad How Do You Estimate Covariance in Physics Experiments?
- JulienB
- · Replies 3 ·
Undergrad Why were mathematicians so critical of Cantor's theories?
- greswd
- · Replies 40 ·
Graduate Why Is the Equality in This Spectral Analysis Proof Correct?
- Ma Xie Er
- · Replies 14 ·
Prove inequality with logarithms for a, b, c in (1,∞) with sum 9
- anemone
- · Replies 2 ·
Undergrad Gödel's 1st Incompleteness Thm: Min Arithmetic Req'd?
- nomadreid
- · Replies 5 ·
Re: Union and Intersection of Sets
- Farhan1
- · Replies 3 ·
Random picking of 3 digit numbers
- 7Kardz
- · Replies 6 ·
Can A∩B⊖∩C⊖ = A∩C⊖ be Equal to A∩B∩C= A∩B?
- solakis1
- · Replies 13 ·
Undergrad Venn diagram for the reals and transfinite numbers as sets
- zrek
- · Replies 10 ·
Undergrad Prime number theorem: asymptotic behavior of π(n) and Li(n)
- DaTario
- · Replies 12 ·
How Can Logic Laws Remove Implications in Expressions?
- werebilby
- · Replies 8 ·
How Do You Solve a Word Problem Involving Charitable Donations?
- NotaMathPerson
- · Replies 6 ·
Graduate How is Maxwell's Velocity Distribution Derived and Applied?
- rabbed
- · Replies 6 ·
Undergrad Can MANOVA still be used with violated assumptions?
- AWB
- · Replies 5 ·
Calculation of odds: probability and deviation
- sfairbrother243
- · Replies 1 ·
Undergrad Why is so much well described by the normal distribution?
- Erland
- · Replies 8 ·
Undergrad Euler's Formula for planar graphs - 1 or 2 ?
- DaTario
- · Replies 2 ·
Graduate Algorithm creates representative set of data
- mundek88
- · Replies 1 ·
Undergrad What is before the first transfinite ordinal, omega?
- zrek
- · Replies 12 ·
Undergrad Extracting characteristics from time series data
- Richard_Steele
- · Replies 3 ·
Proving Set Operations [Set Theory]
- TheGreat
- · Replies 11 ·
Undergrad How do you implement the Dickey-Fuller test?
- tomizzo
- · Replies 4 ·
Probability of Combinations and Permutations
- mdzvi
- · Replies 4 ·
High School Simple probability with high frequency
- windy miller
- · Replies 1 ·
Prop Logic Proof Help: (pv~q)vr; ~pv(q.~p)/q>r
- chanimal
- · Replies 4 ·
Finding a recurrence relation for strings from concatenating 'a', 'bc', 'cb'
- delc1
- · Replies 4 ·
Undergrad Most effective of 1000 groups given mean median mode and N
- reddvoid
- · Replies 6 ·
Graduate Understanding Dedekind's Ketten: A Brief Explanation
- Stoney Pete
- · Replies 4 ·
How to Approach a Logic Proof Involving Conditionals?
- averyjedwards2
- · Replies 4 ·
Undergrad Is it better to use a regression or a classification?
- lavoisier
- · Replies 13 ·
Probability of identifying both defective fuses in four or less tests
- boosewell
- · Replies 5 ·
Undergrad Regression: which parameters to use and how to plot the data
- ducmod
- · Replies 2 ·
Finding the best fit line for a scatter plot and estimating y when x = 5
- chanimal
- · Replies 1 ·