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 [Algebra] Proving equations involving modulo functions.
- ellipsis
- · Replies 1 ·
Two-sided confidence interval for mean difference in screw diameter measurements
- ldlafountain
- · Replies 6 ·
Graduate ¿Is there a minimal standard model for ZFC?
- Garrulo
- · Replies 4 ·
Proving L is not Regular using Pumping Lemma
- mathmari
- · Replies 1 ·
Solving 6-Digit Number Quandaries: 1, 2, 3, 4, 5, 6
- Ciaran
- · Replies 8 ·
Graduate What is the biggest ordinal that exists metamathematically?
- Garrulo
- · Replies 7 ·
Graduate Prove that alpha = aleph_alpha where
- wj2cho
- · Replies 1 ·
Graduate Which Godel statements are seen to be true by humans?
- Tosh5457
- · Replies 2 ·
High School How to calculate the possible number of combinations
- Laura72
- · Replies 4 ·
Some questions about Brownian Motion and Birth-Death in Markov chain
- power3173
- · Replies 5 ·
Calculating the Probability of Winning the Lottery Using Combinatorics
- Ciaran
- · Replies 10 ·
High School How Do You Calculate Overall Error Percentage Between Two Data Sets?
- Jameseyboy
- · Replies 2 ·
MLEs for two normal distributions with shared mean and different variances
- cmk1300
- · Replies 3 ·
Modifying frequency to eliminate 0
- soran
- · Replies 2 ·
Show Closure of Regular Languages: $L_1$ and $L_2$
- mathmari
- · Replies 6 ·
Regular and not regular Language
- mathmari
- · Replies 3 ·
Graduate Initial development of set theory and determinism in QM
- Mickey1
- · Replies 4 ·
Show that if K is regular and M any language, then L is regular
- mathmari
- · Replies 4 ·
Condition for NFA to DFA transition between power set states
- mathmari
- · Replies 2 ·
High School Probability Question - Getting x heads from n coin tosses
- rede96
- · Replies 8 ·
Graduate Is this a vaild way to test a hypothesis?
- rede96
- · Replies 4 ·
Undergrad What is the appropriate sigma value for statistical significance?
- leonmate
- · Replies 1 ·
Graduate Linear regression and measured values
- MechatronO
- · Replies 1 ·
Undergrad Solve Economics NPV Problem: Chris Wants a Fridge
- jdawg
- · Replies 1 ·
Undergrad Properties of Univariate statistics.
- zyQuzA0e5esy2y
- · Replies 2 ·
How Can Uniform Random Variables Simulate a Markov Chain?
- power3173
- · Replies 3 ·
Expected value of a continuous random variable
- rayne1
- · Replies 2 ·
Undergrad Drawing three cards - combined probability
- Lenus
- · Replies 10 ·
Is It Possible to Find a Mod m and a Div m for Given Values of a and m?
- shamieh
- · Replies 5 ·
How Does Continuity of T(n) for n≤2 Impact Asymptotic Bounds?
- evinda
- · Replies 2 ·
Dice Probability (5 Sided Dice and 6 Sided Dice)
- coolguy56
- · Replies 1 ·
Undergrad Number of Macro-States w/ 2 6-sided Dice: Formula
- Alec Neeson
- · Replies 8 ·
Undergrad How does the test for normality of residuals work?
- WWGD
- · Replies 11 ·
Show that the language is regular
- mathmari
- · Replies 1 ·
Yes, $2^{2^{2^n}}$ is a good example for $p(n)$ and $q(n)$ could be $n!$.
- mathmari
- · Replies 13 ·
Relation Between $\sqrt{n}$ and $n^{\sin n}$?
- evinda
- · Replies 14 ·
Maximum problem size for factorial time complexity at various time limits
- evinda
- · Replies 15 ·
Graduate Confusion over definition of relations in set theory
- "Don't panic!"
- · Replies 17 ·
Find Mean With Multiple Data [Shortcut]
- susanto3311
- · Replies 5 ·
Prove statement- Little-O notation
- evinda
- · Replies 3 ·
Undergrad Fun maths question, correlation?
- Ronan
- · Replies 3 ·
Easy question regarding symbols in discrete mathematics
- shamieh
- · Replies 2 ·
Disprove "f(n)=O(f(n)^2): A Mathematical Analysis
- evinda
- · Replies 1 ·
Probability of A Winning Dept Head Vote w/ 5 Faculty Members
- InaudibleTree
- · Replies 2 ·
Graduate Evaluate 2 logistic functions for the best x to minimize OR.
- Adel Makram
- · Replies 12 ·
Proving $T(2^k)=2^k \cdot k$ with Induction
- evinda
- · Replies 3 ·
Why can't I factor 2896753 with Pollard's p-1 and the quadratic sieve?
- behnazbarzi
- · Replies 1 ·
Undergrad Need a calculation to find a relationship/correlation
- shott92
- · Replies 6 ·
Graphs with N Nodes: Proving Cliques and Anti-Cliques
- mathmari
- · Replies 6 ·
Probability of Reaching Room Q in n Seconds
- jacobi1
- · Replies 5 ·
Graduate My simple proof of x^0=1 part 2 (axioms)
- why Fenix
- · Replies 11 ·
Undergrad Largest and smallest possible values of a probability question
- PhysicsMathGuy
- · Replies 5 ·
Undergrad Discrete distribution taking only non-negative integer values
- rickywaldron
- · Replies 4 ·
Finding an Exact Solution for the Recurrence Formula f(n) = 2f(sqrt(n)) + n
- alyafey22
- · Replies 8 ·
High School A little question on Probability
- Sundown444
- · Replies 8 ·
Recurrence relation - initial condition
- evinda
- · Replies 1 ·
How to Prove Predicate Logic Validity with Induction?
- Voehet
- · Replies 2 ·
Undergrad When to use z-scores vs t-scores with normal distribution and CLT?
- John421
- · Replies 1 ·
Find All Functions $F(x)$ with $(x-y)^2$ Inequality
- Fallen Angel
- · Replies 4 ·
Undergrad Calculate Card Draw Percentages (Aces) - 2/30 to 2/23
- Maccadin
- · Replies 9 ·
Graduate Enumeration of increasing sequences of 2 dice sums
- Lenus
- · Replies 11 ·
Mutually Exclusive Probabilities: A vs. B
- Dobie5
- · Replies 1 ·
Undergrad Can Excel's BINOMDIST function accurately calculate roulette probabilities?
- Roulette
- · Replies 4 ·
High School How math is builded up from sets
- Malna
- · Replies 9 ·
Solving a Recurrence: $a_0 = 2$
- magneto1
- · Replies 4 ·
Undergrad Designing an Elo-like ranking system for a 2-31 player game
- narf0708
- · Replies 2 ·
Proof by Induction: Solving 34n-1 Divisible by 80
- Damo
- · Replies 6 ·
Undergrad Bayes theorem, answer way too small something wrong?
- ilyas.h
- · Replies 6 ·
Undergrad How Do You Calculate the Probability of Bus Frame Cracks?
- ilyas.h
- · Replies 1 ·
High School Interest percentage from selling price or cost price
- rajeshmarndi
- · Replies 9 ·
How to Model Capacity for Training 5000 Trainees Annually?
- practicalmath
- · Replies 1 ·
Undergrad On standardization of normal distribution
- jwqwerty
- · Replies 4 ·
Graduate Sampling from normalized and un-normalized posterior
- michaelmas
- · Replies 5 ·
High School Why Use Grouping Methods to Find the Mode in Statistical Data?
- kay
- · Replies 2 ·
Graduate Difference between equivalence and equality
- "Don't panic!"
- · Replies 9 ·
Graduate Error propagation for a sum of means
- FatPhysicsBoy
- · Replies 8 ·
Expressing with "product" notation
- shamieh
- · Replies 7 ·
Graduate Error on biological assay results
- lavoisier
- · Replies 11 ·
(2+sqrt(3))^50 close to being an integer
- Ciaran
- · Replies 6 ·
Undergrad Paired t-test with measurement errors for Herschel flux data
- leonmate
- · Replies 1 ·
Sample Size determination question
- bayside
- · Replies 1 ·
Graduate Cayley's Theorem (isomorphisms of Cyclics to SN)
- ChrisVer
- · Replies 1 ·
Undergrad Prove by induction that the sum of the first n odd numbers equals n²
- needmathhelp1
- · Replies 4 ·
Graduate Fourier transform for the wave vector dervation problem
- fisher garry
- · Replies 2 ·
Graduate Is Associativity a Required Property for Groups to Be Defined?
- ChrisVer
- · Replies 3 ·
Linear programming bounds and dual values in optimization tables
- Yankel
- · Replies 1 ·
Allocating rebate change across ingredients when cases and prices both vary
- hannahg252
- · Replies 1 ·
Undergrad Sampling for hypothesis testing
- alan2
- · Replies 3 ·
Percentage of braking times within intervals using normal distribution
- shamieh
- · Replies 7 ·
Statistics - Finding a relationship?
- shamieh
- · Replies 5 ·
Undergrad Number of ways to fill 3 boxes with 5 balls
- andyrk
- · Replies 22 ·
Graduate Expected Value and Variance for Wilcoxon Signed-Rank Test
- Mogarrr
- · Replies 5 ·
Undergrad PCA principal component analysis standardized data
- cutesteph
- · Replies 5 ·
Graduate "Fermat's" proof to Fermat's Last Theorem
- e2m2a
- · Replies 2 ·
Graduate Hilbert's Sixth Problem: Can Physics Be Completely Axiomatized?
- Austen Bentley
- · Replies 1 ·
Undergrad Solving a Combinatorial Problem: Arrangements with Restrictions
- Nathew
- · Replies 1 ·
Undergrad How to Calculate the Mean Fraction of Occupied Seats in a Row?
- dumsek
- · Replies 4 ·
Graduate How to fit plane onto sampling data?
- sceptic
- · Replies 17 ·
What is the probability the second orange is sour if the first one is sour?
- evinda
- · Replies 2 ·
What is the long-term percentage of city dwellers?
- musad
- · Replies 1 ·