Set Theory, Logic, Probability, Statistics Forum

Post thread
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.
High School Real No.s: Writing in Set Builder Form
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad How to Achieve Uniform Distribution of Points on a Sphere?
  • · Replies 2 ·
Replies
2
Views
7K
Undergrad Error propagation in least squares
  • · Replies 2 ·
Replies
2
Views
5K
Undergrad Statistical test, samples of very different sizes
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad What is the Probability of 5 People in a Small Town Getting Cancer in One Year?
  • · Replies 4 ·
Replies
4
Views
2K
Graduate A set of cardinality Aleph^aleph
  • · Replies 18 ·
Replies
18
Views
4K
Undergrad Matura exam results wrong ? (probabiltity of shooting the target)
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad Prove Graph is Function: Logic & Alternatives
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Maths Behind Credit Card Transactions
  • · Replies 12 ·
Replies
12
Views
3K
Undergrad How does the implies connective work in logic?
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Understanding 0-ary Operations: Definition and Examples
  • · Replies 11 ·
Replies
11
Views
3K
High School Need Help for solving probability problem
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad How can I calculate velocity from drag force and other variables?
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad Are equal sets always identical in mathematics?
  • · Replies 6 ·
Replies
6
Views
4K
Graduate |R| ≠ |R²| in probability theory
  • · Replies 11 ·
Replies
11
Views
3K
Undergrad Stat test to test for dependents of continous variables.
  • · Replies 1 ·
Replies
1
Views
2K
High School Interpreting Box Plots with Questionnaire Data
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Where can I find free online resources to improve my proof writing skills?
  • · Replies 10 ·
Replies
10
Views
6K
Graduate Erdős–Rényi model (G(n, p) vs G(n, M)) distribution
  • · Replies 2 ·
Replies
2
Views
4K
Graduate Properties of transition density functiions
  • · Replies 2 ·
Replies
2
Views
5K
Graduate What is system of logic/language used in study of mathematical logic/language?
  • · Replies 1 ·
Replies
1
Views
4K
Graduate Can You Generate Samples from f(x2) Based on f(x1)?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Are Poisson and Uniform Distributions Paradoxical on a Finite Line?
  • · Replies 4 ·
Replies
4
Views
5K
Undergrad Uncorrelated Vs. Independent variables
  • · Replies 7 ·
Replies
7
Views
20K
Graduate Predicting enviromental conditions from configurations
  • · Replies 1 ·
Replies
1
Views
1K
Undergrad Testing Equality of Time Series: Statistical Analysis for Comparison
  • · Replies 2 ·
Replies
2
Views
3K
High School Difference between standard deviation and kurtosis
  • · Replies 2 ·
Replies
2
Views
22K
Graduate Proof theoretic ordinal of zfc, and other formal systems
  • · Replies 10 ·
Replies
10
Views
4K
High School Statistical Concepts: A Beginner's Guide to Skewness & Kurtosis
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Conditional Probability and the Independence of Events
  • · Replies 12 ·
Replies
12
Views
7K
Graduate Notation question: like a direct product
  • · Replies 2 ·
Replies
2
Views
3K
High School How Do You Map a Range of Values to a Smaller Scale?
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad (A - B) union (B- A) = (A union B) - (A intersection B)
  • · Replies 2 ·
Replies
2
Views
3K
Graduate How to distribute product sign across base and exponent terms
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad What is the Difference between Square & Absolute Deviation?”
  • · Replies 8 ·
Replies
8
Views
2K
Undergrad Expected value of sample variance
  • · Replies 9 ·
Replies
9
Views
51K
Graduate Looking for Category Theory Paper
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad How Many People Were at the Party with Unique Acquaintances?
  • · Replies 13 ·
Replies
13
Views
3K
Undergrad Solving Union/Intersection Problem: 554 is Absurd!
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad How Does VO2 Max Prediction Work in Fitness Testing?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate What Is the Intersection of the Empty Family of Subsets of \(\mathbb{R}\)?
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad Sum of the residuals in multiple linear regression
  • · Replies 1 ·
Replies
1
Views
5K
Undergrad What is the best book for learning probability theory as a beginner?
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad Proving p(A|B)=p(A|B'): A Step-By-Step Guide
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad Combining Formulas for Accumulated Amount of Money
  • · Replies 1 ·
Replies
1
Views
29K
Undergrad What Does the Logic Axiom of Simplification Mean?
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad Multiple linear regression: partial F-test
  • · Replies 5 ·
Replies
5
Views
42K
Graduate Expectation of a function of a continuous random variable
  • · Replies 3 ·
Replies
3
Views
10K
Graduate Using the Compactness Theorem to Show Distance Between c and d
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Autocorrelation and autocorrelation time
  • · Replies 3 ·
Replies
3
Views
5K
Undergrad Simple Equation for Finding Effective Rate in Insurance Payment Schemes
  • · Replies 9 ·
Replies
9
Views
3K
Undergrad Is there any way to measure how random something is?
  • · Replies 3 ·
Replies
3
Views
3K
Graduate Variance-covariance matrix of random vector
  • · Replies 9 ·
Replies
9
Views
18K
Undergrad Is Every If and Only If Statement a Definition or Equivalence?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Random vectors & random matrices
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Is a Random Variable a Way to Quantify Probability Events?
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad Birthday Problem: Find the Probability of 3 People Sharing the Same Birthday
  • · Replies 2 ·
Replies
2
Views
6K
Undergrad Is sqrt{30} Irrational? Proving its Irrationality through Unique Factorization
  • · Replies 10 ·
Replies
10
Views
3K
Undergrad Anyone know of such definition?
  • · Replies 10 ·
Replies
10
Views
2K
Graduate Could any one suggest one book on probability theory to me?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Expectation of maximum of a multinormal random vector
  • · Replies 14 ·
Replies
14
Views
14K
Undergrad Interesting thing about archers hitting the target
  • · Replies 13 ·
Replies
13
Views
3K
Graduate Modeling Occurrence of First Migration in Breeding Amphibians: Suggestions?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Mathematical definition of number?
  • · Replies 30 ·
2
Replies
30
Views
11K
Graduate Almost Certain = 1? Why Reject Surreal Numbers?
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad Describing all unique 2-tuples from a set using Set Notation
  • · Replies 5 ·
Replies
5
Views
4K
Undergrad Statistics - Poisson distribution.
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Can the No Win Random Walk Conjecture Be Proven Using Martingales?
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Godel's incompleteness; result of implication?
  • · Replies 25 ·
Replies
25
Views
7K
Undergrad Cool observation concerning Fibonacci numbers
  • · Replies 15 ·
Replies
15
Views
3K
Undergrad Odds/Probability question - Roulette
  • · Replies 3 ·
Replies
3
Views
3K
Graduate Incompleteness of Euclidean Geometry: Proving the Parallel Postulate
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Linear Regression: reversing the roles of X and Y
  • · Replies 34 ·
2
Replies
34
Views
29K
Graduate Determining Bias of MLE of k in Poisson RP
  • · Replies 7 ·
Replies
7
Views
2K
Graduate David Wolpert "Slams Door" on Laplace's Demon
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Can random weights create a correlation between two sequences?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Are There Infinite Permutations on an Infinite Set?
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad Solve Amortization Contradiction: 5yr $20k Loan @ 10% Compounded Annually
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Incompleteness of Computable Numbers
  • · Replies 14 ·
Replies
14
Views
3K
Graduate Regorous and formal proof of (-1).x =-x
  • · Replies 7 ·
Replies
7
Views
16K
Graduate Finding PDF of Z: X_1, X_2 Exponential RVs
  • · Replies 6 ·
Replies
6
Views
3K
Undergrad A confusion about truth table of logical implication
  • · Replies 12 ·
Replies
12
Views
13K
Graduate Information Theory: Data Processing Inequality, violation?
  • · Replies 1 ·
Replies
1
Views
6K
Undergrad Logic: Deductive Science of All Possible Worlds
  • · Replies 25 ·
Replies
25
Views
6K
Undergrad Is the Function f(x) = 2x + 3 Continuous Over All Real Numbers?
  • · Replies 2 ·
Replies
2
Views
2K
Is Data Visualization the Key to Making Statistics Beautiful?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate How do formal proofs ensure the correctness of mathematical arguments?
  • · Replies 25 ·
Replies
25
Views
5K
Undergrad Converting Error in Log2 Form for Arbitrary Base
  • · Replies 1 ·
Replies
1
Views
9K
Graduate Evaluating an exponential of a really large negative number
  • · Replies 5 ·
Replies
5
Views
6K
Graduate Tchebysheff proof, help understanding transition to last step
  • · Replies 11 ·
Replies
11
Views
2K
High School Performing Regression Analysis on Excel: Two Methods
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad What is the Inequality Used in Solving Probability Problems?
  • · Replies 5 ·
Replies
5
Views
2K
Graduate Causality based on conflicting data
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Second and higher-order probabilities
  • · Replies 2 ·
Replies
2
Views
2K
Graduate What is the Probability of Non-Overlapping Coins on a Rectangular Carpet?
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad Question about linear regression and sample sizes
  • · Replies 2 ·
Replies
2
Views
5K
Undergrad Sample size without standard Deviation
  • · Replies 6 ·
Replies
6
Views
27K
Undergrad What does this simple notation mean?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Characteristic functions, Bochner's Thm.
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Understanding Joint Probability with No-Replacement Rule
  • · Replies 3 ·
Replies
3
Views
3K