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.
Spin a dial that has a pointer to n regions
  • · Replies 10 ·
Replies
10
Views
5K
Comparing two multivariate distributions (two matrices)
  • · Replies 3 ·
Replies
3
Views
7K
Random choosing of objects from a Normal distribution
  • · Replies 10 ·
Replies
10
Views
4K
Why Are Open Balls Essential for Defining Limit Points in Mathematics?
  • · Replies 6 ·
Replies
6
Views
4K
Covariance matrix of 2 matrices?
  • · Replies 2 ·
Replies
2
Views
4K
Infinite union of closed sets that isn't closed?
  • · Replies 2 ·
Replies
2
Views
3K
Statistics of sinc function with normal argument
  • · Replies 1 ·
Replies
1
Views
3K
Registered events X in time interval t are distributed linearly n = n0
  • · Replies 1 ·
Replies
1
Views
2K
Graph Theory and Pigeonhole Principle
  • · Replies 12 ·
Replies
12
Views
5K
Is x an Accumulation Point of A in the Real Numbers?
  • · Replies 7 ·
Replies
7
Views
9K
Does Nonzero Correlation Between Pairs Imply Correlation Between All?
  • · Replies 3 ·
Replies
3
Views
3K
Is the Arbitrary Union of Open Sets in R Open?
  • · Replies 5 ·
Replies
5
Views
3K
The set of all sets which are elements of themselves
  • · Replies 7 ·
Replies
7
Views
4K
Increasing variance of weights in sequential importance sampling
  • · Replies 2 ·
Replies
2
Views
4K
How to calculate median of grouped data if group size is variable
  • · Replies 2 ·
Replies
2
Views
6K
Formula for dice probability where numbers have different values
  • · Replies 1 ·
Replies
1
Views
3K
Simple stats problem: number of tests to be significant?
  • · Replies 1 ·
Replies
1
Views
2K
Why is the cdf G considered a strictly increasing function?
  • · Replies 3 ·
Replies
3
Views
3K
Chebyshev's Theorem: Proving it and Explaining its Application
  • · Replies 1 ·
Replies
1
Views
5K
Probability: Male Smoker Probability Calculation
  • · Replies 1 ·
Replies
1
Views
2K
Is Your Set Builder Notation Correct for Describing Pairs in Sets S and W?
  • · Replies 1 ·
Replies
1
Views
2K
Are some pseudo-random number generators unpredictable?
  • · Replies 5 ·
Replies
5
Views
3K
What is the definition of greater than or less than in terms of real numbers?
  • · Replies 2 ·
Replies
2
Views
5K
What is the PMF of a sum of two discrete random variables?
  • · Replies 3 ·
Replies
3
Views
3K
What is an unbiased estimator ?
  • · Replies 7 ·
Replies
7
Views
66K
For what value of θ is the binomial probability b(x;n,θ) maximized?
  • · Replies 2 ·
Replies
2
Views
3K
Is U+W the Same as U∪W in Vector Spaces?
  • · Replies 4 ·
Replies
4
Views
2K
How do i calculate expectation of expectation?
  • · Replies 1 ·
Replies
1
Views
18K
What is the definition of randomness in mathematics and physics?
  • · Replies 55 ·
2
Replies
55
Views
10K
What is the difference between weak and strong large number laws?
  • · Replies 1 ·
Replies
1
Views
5K
The mean of a sum of variables.
  • · Replies 5 ·
Replies
5
Views
2K
Predicate logic and one point rule using Z notation
  • · Replies 4 ·
Replies
4
Views
5K
Becoming Familiar with Regression Notation and Terminology
  • · Replies 5 ·
Replies
5
Views
2K
The inverse of uniform random variable
  • · Replies 6 ·
Replies
6
Views
9K
Simple Covariance Matrix Question
  • · Replies 5 ·
Replies
5
Views
4K
Stochastic differential equation problem
  • · Replies 1 ·
Replies
1
Views
3K
Question related to IID process
  • · Replies 3 ·
Replies
3
Views
2K
How to Simplify the Mean of 3D Variables to 1D?
  • · Replies 4 ·
Replies
4
Views
2K
Shortest Distance between 2 convex sets
  • · Replies 1 ·
Replies
1
Views
2K
What Are Confidence Intervals in Curve Fitting Analysis?
  • · Replies 1 ·
Replies
1
Views
2K
Expected number of games in a series that terminates
  • · Replies 1 ·
Replies
1
Views
3K
I have two sets of deterministic numbers, collected in the two
  • · Replies 1 ·
Replies
1
Views
2K
Formal Proof for Predicate Calculus 2: Solving Complex Operations and Predicates
  • · Replies 2 ·
Replies
2
Views
2K
Relation on X: Symmetry, Reflexivity & Transitivity
  • · Replies 3 ·
Replies
3
Views
5K
Does Infinite Monkey Theorem Prove Originality?
  • · Replies 1 ·
Replies
1
Views
3K
Can G[P(A),c] imply G(A,c) be proven using predicate calculus axioms?
  • · Replies 2 ·
Replies
2
Views
2K
Comparing Continuous Probability Distributions: Finding Significance
  • · Replies 1 ·
Replies
1
Views
2K
Co-Variance and Signum Function
  • · Replies 2 ·
Replies
2
Views
4K
Counting Number of Possible Hand Gestures
  • · Replies 3 ·
Replies
3
Views
3K
Interpreting results of a polynomial fit
  • · Replies 5 ·
Replies
5
Views
4K
Term structure isomorphic to the usual model/structure of number theory
  • · Replies 2 ·
Replies
2
Views
4K
Real Analysis: Worked Examples and Graphical Representations
  • · Replies 5 ·
Replies
5
Views
3K
Probability of rain this weeken?
  • · Replies 5 ·
Replies
5
Views
6K
Having trouble understaning the notation co-variances
  • · Replies 2 ·
Replies
2
Views
2K
Distribution of Maximun Likelihood Estimator
  • · Replies 2 ·
Replies
2
Views
3K
Dirichlet distribution - moments
  • · Replies 2 ·
Replies
2
Views
3K
Producing Xi squared distribution by Monte Carlo
  • · Replies 1 ·
Replies
1
Views
3K
Determine the infinite sum of b_k = c_k - c_(k-1)
  • · Replies 1 ·
Replies
1
Views
2K
Sample standard deviation serially correlated normal data
  • · Replies 3 ·
Replies
3
Views
3K
What is the average price per share for John's holdings after Date 4?
  • · Replies 1 ·
Replies
1
Views
2K
Calculating Probability of 2 Black Balls from 3-Ball Urn w/ Pascal Triangle
  • · Replies 3 ·
Replies
3
Views
3K
Should I take the absolute value of a negative t-test statistic?
  • · Replies 1 ·
Replies
1
Views
11K
Proving the proof by contradiction method
  • · Replies 9 ·
Replies
9
Views
4K
Combinatorics: solving for coefficient of x^n term
  • · Replies 2 ·
Replies
2
Views
3K
Calculation of total standard deviation over samples of different size
  • · Replies 14 ·
Replies
14
Views
60K
Prove |sin x|/|x| =< 1 for all x in Real Numbers.
  • · Replies 5 ·
Replies
5
Views
15K
Gamblers Ruin - Markov Chain problem
  • · Replies 24 ·
Replies
24
Views
10K
Question about element of and subset symbols
  • · Replies 4 ·
Replies
4
Views
3K
Is $X_1$ Independent of $Y = X_2 + X_3$ Given Pairwise Independence?
  • · Replies 3 ·
Replies
3
Views
6K
Infinitary union combined with infinitary intersection
  • · Replies 2 ·
Replies
2
Views
4K
Queuing theory: calculate probability of an medical case
  • · Replies 8 ·
Replies
8
Views
5K
Why my random experiment has a log normal distribution?
  • · Replies 4 ·
Replies
4
Views
4K
Let's Make A Deal: Should You Switch Curtain Choices?
  • · Replies 21 ·
Replies
21
Views
10K
Black Box Theory: Am I Understanding It Correctly?
  • · Replies 5 ·
Replies
5
Views
3K
What is the difference between ⊢ and ⊨?
  • · Replies 1 ·
Replies
1
Views
3K
When to Use Total Probability Formula and Bayes Formula?
  • · Replies 1 ·
Replies
1
Views
3K
Apostol 1.19 - Understanding where my logic went wrong (Sets, sup, inf)
  • · Replies 5 ·
Replies
5
Views
3K
Moments and Moment-gen. function.
  • · Replies 3 ·
Replies
3
Views
2K
Brownian Motion 1 (birth-death)
  • · Replies 2 ·
Replies
2
Views
3K
Brownian Motion 2 (probability)
  • · Replies 1 ·
Replies
1
Views
2K
Z attach x, what is the name of this?
  • · Replies 2 ·
Replies
2
Views
2K
Chi-squared and reduced Chi-squared
  • · Replies 1 ·
Replies
1
Views
7K
Understanding a special combination
  • · Replies 5 ·
Replies
5
Views
2K
Minimum number of edges in a graph of order n with chromatic number k
  • · Replies 1 ·
Replies
1
Views
5K
Distribution of Difference of 2 2nd Degree Non-Central Chi Squared RVs
  • · Replies 10 ·
Replies
10
Views
7K
At what probability is it rational to look for paranormal explanations?
  • · Replies 4 ·
Replies
4
Views
2K
Gaussian Distribution Question.
  • · Replies 4 ·
Replies
4
Views
3K
Mutual Exclusiveness vs Independence: A Comparison
  • · Replies 1 ·
Replies
1
Views
2K
Denumerable set and surjective function
  • · Replies 14 ·
Replies
14
Views
3K
How to Calculate Probability of Recatching Fish?
  • · Replies 1 ·
Replies
1
Views
2K
Probability density function of a function of a random variable
  • · Replies 25 ·
Replies
25
Views
10K
Probability help/sigma-algebras
  • · Replies 3 ·
Replies
3
Views
2K
Arithmetics and algebra, what/ which is the main concept?
  • · Replies 22 ·
Replies
22
Views
5K
Raw moments of Gaussian Distribution
  • · Replies 2 ·
Replies
2
Views
7K
Random function coupled to a non-random function question.
  • · Replies 6 ·
Replies
6
Views
3K
Multiple variable correlation - drowning in stats formulas,
  • · Replies 4 ·
Replies
4
Views
3K
Random variable, expected value,Variance
  • · Replies 4 ·
Replies
4
Views
3K
Probability that Bill told the truth problem
  • · Replies 1 ·
Replies
1
Views
2K
How Do Insurance Risk Classes Affect Car Accident Probabilities?
  • · Replies 1 ·
Replies
1
Views
2K
Help with the 3D gaussian function
  • · Replies 3 ·
Replies
3
Views
13K