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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Undergrad Finding variance from sum of squares and sum of values
- MadMike1986
- · Replies 2 ·
Undergrad Mean/Variance of Uniform Probability Distribution
- JeffNYC
- · Replies 3 ·
Graduate How Does Runtime Affect the Kolmogorov Complexity of a SAT Solver's Output?
- sid_galt
- · Replies 1 ·
Graduate Is There Always a Rational Between Any Two Transcendental Numbers?
- Bob3141592
- · Replies 18 ·
Graduate Convergence in distribution
- shan
- · Replies 1 ·
Graduate What is the Uniform Convergence Problem in Stochastic Functions?
- St41n
- · Replies 1 ·
Undergrad Probability Density Function of a Quadratic Equation
- zudhirsharma
- · Replies 1 ·
Undergrad Should I Switch My Choice in the Monty Hall Problem?
- chhitiz
- · Replies 3 ·
Undergrad What, if anything, is necessarily true inequalities called?
- arildno
- · Replies 1 ·
Undergrad Conditional Probability and Bayes' Formula Questions
- sampahmel
- · Replies 2 ·
Undergrad Question with intersects and complements.
- Shawj02
- · Replies 3 ·
Graduate Are Ratios of IID Exponential Variables Independent of Their Sample Average?
- e12514
- · Replies 3 ·
Graduate An initial and terminal object of the category 'Set'
- enigmahunter
- · Replies 1 ·
Graduate Finding Cyclic Patterns in Random Constants: A Probability Puzzle
- CRGreathouse
- · Replies 2 ·
Undergrad Does {a^(-2)a, a^(-1)} form a set?
- tgt
- · Replies 4 ·
Graduate Find Expected Value of X(n) from Uniform Distribution
- apalmer3
- · Replies 1 ·
Graduate Term for probability distribution on a partition of a set
- leonid.ge
- · Replies 2 ·
High School Home work with set builder notation
- kkp
- · Replies 4 ·
Undergrad Are these equations correct for linear fitting?
- Norah
- · Replies 1 ·
Graduate The Magic of the Gaussian Function
- mezarashi
- · Replies 5 ·
Undergrad Probability of Emphysema in a Population - Calculation and Analysis
- sinni8
- · Replies 1 ·
Undergrad Proving De Morgan's Law Without Truth Tables: ~(~p∧~q) = ~p∨~q
- poutsos.A
- · Replies 4 ·
Undergrad Order Comparison of Functions: f(n) < THETA(g(n)) for O(2^n) and O(3^n)
- Ad2d
- · Replies 5 ·
Undergrad Statistics Probability - How do I do this?
- pmastchief
- · Replies 1 ·
Undergrad Problem with implication and bi-implication.
- ehj
- · Replies 18 ·
High School Is there a law or person that determines what is considered absurd in science?
- bcaslow
- · Replies 25 ·
Undergrad What is the probability of odd versus even in a football game?
- sophmore
- · Replies 3 ·
Undergrad Why is (x,(y,z)) equal to ((x,y),z)?
- NanakiXIII
- · Replies 6 ·
Undergrad A hospital researcher has found that the mean length of time that
- roam
- · Replies 11 ·
Graduate Proving the Log of a Power Rule: log(n^k) is O(log(n)) for any constant k > 0
- Gear2d
- · Replies 3 ·
High School What is the Probability of Selecting Someone Born on My Birthday?
- jimmyjamz
- · Replies 2 ·
Graduate Proof of p^(qvr) <=> (p^q)v(p^r)
- evagelos
- · Replies 5 ·
Graduate Square Root of N Law of Random Counts
- tony873004
- · Replies 6 ·
Graduate How to determine if distributions are correlated?
- ggk
- · Replies 2 ·
Undergrad Probability of a coincidence - question
- musicgold
- · Replies 4 ·
Undergrad What does conjunction of formulas mean?
- tgt
- · Replies 2 ·
Graduate Is the General Binomial Coefficient for Any Rational Value Always Defined as 1?
- Galadirith
- · Replies 5 ·
Undergrad Probability of consecutive elements in set
- lzkelley
- · Replies 1 ·
Undergrad Absolute value theorem that I can't convince myself of
- JennyInTheSky
- · Replies 3 ·
Undergrad Actually, is there a relationship in regression when changing values?
- Soley101
- · Replies 1 ·
Graduate Decimal representation of reals
- Bob3141592
- · Replies 18 ·
Undergrad What are some mathematical fields with minimal 'tricks' and logical proofs?
- tgt
- · Replies 6 ·
Graduate Composition of Inverse Functions
- John Creighto
- · Replies 8 ·
Undergrad What is the conditional rule in propositional calculus and how is it used?
- evagelos
- · Replies 2 ·
Undergrad Where does least squares fit among regression methods?
- Diffy
- · Replies 3 ·
Undergrad Why Is There Exists X Such That X + Y = Z for All Y and Z False?
- thescienceboy
- · Replies 1 ·
Graduate All math statements of the if A then B form?
- evagelos
- · Replies 32 ·
Undergrad Estimating mean cement setting time with confidence intervals
- sinni8
- · Replies 1 ·
Undergrad Can numbers be infinitely large or small in mathematics?
- Pjpic
- · Replies 15 ·
Undergrad Number of positive integer solutions to ΣXi ≤ C
- qbslug
- · Replies 2 ·
High School The Student T-Test (Two tailed)
- Mykester
- · Replies 5 ·
Graduate Failure of Levene's test for equality of variance
- dune2
- · Replies 9 ·
High School Probability of selecting 2 cards of the same color
- k1point618
- · Replies 6 ·
Undergrad Conditional Probability (confusing)
- sampahmel
- · Replies 3 ·
Undergrad Distribution-free outlier test
- jophysics
- · Replies 1 ·
Undergrad Principal Component Analysis: eigenvectors?
- evidenso
- · Replies 1 ·
Undergrad Can Gambling and Probability Puzzles Enhance Cognitive Skills?
- His_Dudeness3
- · Replies 3 ·
High School Is ]-∞, ∞[ the Same as All Real Numbers?
- syukai
- · Replies 9 ·
Graduate What are the endpoints of the interior points in the Cantor Set?
- Bob3141592
- · Replies 6 ·
Undergrad Simple Discrete Structures problem
- Firestrider
- · Replies 2 ·
Undergrad A small permutation question just don't get the right answer
- chopstick
- · Replies 6 ·
Graduate Is There a Reliable Bayesian Alternative to the P-Value?
- natski
- · Replies 8 ·
Graduate Understanding Mixed Conditional PDFs in Continuous and Discrete Variables
- pluviosilla
- · Replies 3 ·
Graduate Can a union of disjoint open sets span a continuous interval?
- Bob3141592
- · Replies 7 ·
Undergrad Can Any Starting Word in Shakespeare's Texts Lead to Restore?
- winteroh
- · Replies 1 ·
Undergrad What does PRESS stand for and why is it denoted e_{i,-i}?
- logarithmic
- · Replies 1 ·
High School How do you prove 2 + 2 = 4 using only numbers and logic?
- anantchowdhary
- · Replies 29 ·
High School Discrete Probability and Distribution to understand the topic.
- OhyesOhno
- · Replies 5 ·
Graduate Decidability of -1<1/0<1 using the ordered field axioms and first order logic
- ad infinitum
- · Replies 5 ·
Undergrad How can I use Markov Chains to predict a user's next choice of color?
- EulerInt
- · Replies 13 ·
Graduate An infinite union of closed sets?
- pivoxa15
- · Replies 31 ·
Undergrad Confidence and prediction interval
- bizzy
- · Replies 1 ·
Graduate Random Matrices Literature Review
- SeReNiTy
- · Replies 4 ·
Undergrad Continuous Random Variables and Prob. Distribution
- Suitengu
- · Replies 5 ·
Undergrad Probability of being chosen for specific training durations
- HF08
- · Replies 2 ·
Undergrad What Mathematical Principle Justifies the Equation x=a+b+c?
- evagelos
- · Replies 24 ·
High School When to switch from inequality to equality in substitution?
- quark1005
- · Replies 3 ·
Undergrad Statistics: Confidence Intervals
- Phrynichos
- · Replies 3 ·
Graduate Ratio of nth elements for almost-all subsets of N
- CRGreathouse
- · Replies 5 ·
Undergrad Given a sample of points how could I determine what distribution does
- porums
- · Replies 2 ·
Graduate Is the Empty Set Bounded? Proof and Contradiction
- evagelos
- · Replies 49 ·
Undergrad What Is the Probability of Passing Through Point B on a City Park Grid Walk?
- davedave
- · Replies 8 ·
Graduate Schaeffer's formula induction and probability model
- porums
- · Replies 2 ·
Undergrad How to filter erroneous reading from distribution of weights
- j777
- · Replies 17 ·
Undergrad Filter out Gaussian noise from data curve
- Gerenuk
- · Replies 2 ·
Graduate Finding conditional expected values from a normal distribution's mean and std dev
- Einstein
- · Replies 2 ·
Graduate Proofs involving functions and sets. Related questions.
- scorpion990
- · Replies 22 ·
Graduate Why Is the Set of Real Numbers Larger Than the Set of Natural Numbers?
- johndoe3344
- · Replies 2 ·
Graduate Sets with negative number of elements?
- Boris Leykin
- · Replies 6 ·
High School Why is probability harder for most people than other math topics?
- spizma
- · Replies 2 ·
Undergrad Sampling random numbers from a distribution
- TarskiMonster
- · Replies 2 ·
Undergrad Can Software Predict the Logic of Numerical Sets?
- Max0526
- · Replies 3 ·
Graduate Is there a notion similar to a power set for permuted and ordered elements?
- Shaun Culver
- · Replies 2 ·
Graduate Why is x*y Not a Subterm of t in Language Terms of Group Theory?
- incomplet1906
- · Replies 1 ·
Undergrad Strange counterintuitive probability problem
- jspstorm
- · Replies 1 ·
Graduate Cross term gives the autocorrelation?
- SamTaylor
- · Replies 2 ·
Graduate Does Bayesian inference show that being stopped increases the probability I did something?
- cfgauss
- · Replies 8 ·
Graduate Intersection of all sets in a family of sets
- Werg22
- · Replies 6 ·
Graduate Inquiry about axiom of choice.
- MathematicalPhysicist
- · Replies 22 ·
Undergrad Why squaring both sides doesn't preserve equivalence
- torquerotates
- · Replies 11 ·