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 Inductive vs Deductive Reasoning
  • · Replies 3 ·
Replies
3
Views
4K
Undergrad Conditional Statments and Truth Value
  • · Replies 5 ·
Replies
5
Views
1K
Undergrad Understanding Residual Plots: Impact on Model Relationships and Homoscedasticity
  • · Replies 8 ·
Replies
8
Views
1K
Graduate Proving Equivalence of {5n | n = 1,2,...} and ℤ
  • · Replies 20 ·
Replies
20
Views
2K
Graduate Difficulty understanding ∫ P(X).X^2 dx = <X^2> ?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate When Does n lg n Switch from Ω to O?
  • · Replies 1 ·
Replies
1
Views
2K
High School Probability; what is "the long run"?
  • · Replies 48 ·
2
Replies
48
Views
6K
Graduate Prove that a zero-one matrix can only have 1's after 5th power
  • · Replies 1 ·
Replies
1
Views
1K
Undergrad What does max notation mean in polynomial degree calculations?
  • · Replies 2 ·
Replies
2
Views
2K
MHB Standard normal distribution probability
  • · Replies 1 ·
Replies
1
Views
4K
MHB Probability using the complement rule
  • · Replies 1 ·
Replies
1
Views
2K
MHB Probability of Tenured Faculty on Committee
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Ergodicity and the perception of time
  • · Replies 1 ·
Replies
1
Views
1K
Undergrad Logic operations and binary operations
  • · Replies 5 ·
Replies
5
Views
2K
Graduate How can I find the CDF and PDF of Y?
  • · Replies 5 ·
Replies
5
Views
6K
Undergrad Histogram to PDF Conversion: Confirm Experimental Approximation
  • · Replies 5 ·
Replies
5
Views
3K
MHB What is the Canonical Form of Linear Programming?
  • · Replies 5 ·
Replies
5
Views
2K
MHB Basic feasible solution definition and example
  • · Replies 4 ·
Replies
4
Views
3K
MHB Probability Issues? Help Solving Joe's Die Problem
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad Are probabilities predictive and statistics a posteriori ?
  • · Replies 1 ·
Replies
1
Views
1K
Graduate Zero-One Laws: Examples of Measurable Events w/ Probability 0 or 1
  • · Replies 3 ·
Replies
3
Views
3K
High School Difference between terminating and repeating decimals
  • · Replies 8 ·
Replies
8
Views
5K
Graduate Why Can't First Order Logic Theories Demonstrate with Infinite Steps?
  • · Replies 11 ·
Replies
11
Views
2K
MHB Probability question from TV, cracking a phone password
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Scatter plot correlation coefficient
  • · Replies 1 ·
Replies
1
Views
1K
Undergrad What is the Probability of A' n B' Given A' and A, B, and A n B?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Is a Von Neumann Universe possible in ZC without the Axiom of Choice?
  • · Replies 2 ·
Replies
2
Views
1K
Graduate How to measure the time dependent correlation of two signals
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Uncovering the Math Behind Jungle Ecology in Costa Rica
  • · Replies 5 ·
Replies
5
Views
1K
MHB No Optimal Explaining Formally
  • · Replies 5 ·
Replies
5
Views
2K
Graduate Comparing gaussian distributions with Gumbel-like distribution
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Probability that A is smaller than B?
  • · Replies 7 ·
Replies
7
Views
3K
Undergrad Are there multiple definitions of propositions in mathematics?
  • · Replies 18 ·
Replies
18
Views
3K
Graduate Conceptual Problems with Random Variables and Sample Theory
  • · Replies 2 ·
Replies
2
Views
2K
MHB Some help with some problems about proofing quantifiers.
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Is algebraic statistics nonsense or useful?
  • · Replies 2 ·
Replies
2
Views
1K
High School Something I discovered doing logic
  • · Replies 3 ·
Replies
3
Views
1K
Graduate What Makes the Axiom of Choice So Controversial?
  • · Replies 49 ·
2
Replies
49
Views
6K
Graduate Is Induction More Rigorous in First-Order Logic Than Higher-Order Logic?
  • · Replies 9 ·
Replies
9
Views
2K
MHB What is the formula for the $n$th term of the interesting sequence?
  • · Replies 3 ·
Replies
3
Views
2K
MHB One-to-one & Onto Function: $f$ from $A$ to $B$
  • · Replies 5 ·
Replies
5
Views
2K
MHB Proving A ≤ B or B ≤ A from Trichotomy.
  • · Replies 5 ·
Replies
5
Views
2K
MHB Maximum Likelihood Estimators for Uniform Distribution
  • · Replies 3 ·
Replies
3
Views
3K
High School Is Probability Equally Distributed Among Unknown Options?
  • · Replies 3 ·
Replies
3
Views
1K
MHB Simplest Proof of Satisfiability Under Interpration
  • · Replies 8 ·
Replies
8
Views
3K
MHB Minimum Guesses to Solve Mastermind Puzzle w/ 4 Digits
  • · Replies 10 ·
Replies
10
Views
13K
Graduate Comparing probabilities of Binomially-distributed RVs
  • · Replies 4 ·
Replies
4
Views
2K
MHB Computing joint cumulative distribution function
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Can a Theory Be Valid with Fewer Than Three Axioms?
  • · Replies 9 ·
Replies
9
Views
2K
Graduate Distribution of the zeros of the zeta function
  • · Replies 3 ·
Replies
3
Views
1K
Graduate PDF of open ended double dice rolls
  • · Replies 6 ·
Replies
6
Views
3K
MHB Solve Blackjack Probability: No Dealer/Player Blackjacks
  • · Replies 5 ·
Replies
5
Views
5K
Undergrad Non-linear extrapolation graph
  • · Replies 12 ·
Replies
12
Views
4K
Graduate What Is the Probability of a Third Head After Two Heads with a Biased Coin?
  • · Replies 8 ·
Replies
8
Views
2K
MHB Cardinality of Set A: 1 or $\le$1?
  • · Replies 6 ·
Replies
6
Views
2K
Graduate Natural deduction: True iff not false
  • · Replies 10 ·
Replies
10
Views
2K
Undergrad Why is it that calc 3 is sometimes not required for stats?
  • · Replies 9 ·
Replies
9
Views
5K
Undergrad Inclusion-Exclusion principle problem
  • · Replies 1 ·
Replies
1
Views
3K
High School How many students advanced to the next round?
  • · Replies 10 ·
Replies
10
Views
2K
Undergrad One 50% bet is worse than fifty 1% bets?
  • · Replies 71 ·
3
Replies
71
Views
10K
Insights Informal Introduction to Cardinal Numbers - Comments
  • · Replies 1 ·
Replies
1
Views
2K
MHB Is this a correct application of the reduction method?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Set Theory, Rough Set Theory, Fuzzy Set Theory
  • · Replies 18 ·
Replies
18
Views
3K
Undergrad Simplifying a 4-term equation using boolean algebra
  • · Replies 1 ·
Replies
1
Views
1K
Graduate Optimizing Conditional Expectation
  • · Replies 3 ·
Replies
3
Views
1K
MHB Next set of prime birthdays for three brothers
  • · Replies 3 ·
Replies
3
Views
2K
High School Finding the set of u such that
  • · Replies 5 ·
Replies
5
Views
1K
Graduate How Is Uniqueness Defined for Familiar Mathematical Sets?
  • · Replies 5 ·
Replies
5
Views
2K
MHB Joint Probability of Independent Events
  • · Replies 3 ·
Replies
3
Views
3K
Graduate A formula based approach to Arithmetic Coding
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Logical structure of definitions
  • · Replies 15 ·
Replies
15
Views
2K
Undergrad Why Did My Logical Equivalence Proof Fail?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Are calc-based stats classes useful for decision making?
  • · Replies 1 ·
Replies
1
Views
1K
Graduate Test Hypothesis ##\it{p}##-value and ##\sigma##
  • · Replies 4 ·
Replies
4
Views
1K
MHB Venn Diagram Problem: Tipping Survey Results
  • · Replies 1 ·
Replies
1
Views
2K
MHB Algorithm to answer existential questions - Reduction
  • · Replies 1 ·
Replies
1
Views
2K
MHB Logic Book: Definitions, Language & Existential Formulas
  • · Replies 1 ·
Replies
1
Views
2K
Graduate What Can Be Learned from Signal vs. Background Efficiency Plots?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Efficient HMM with Feature Vectors for Improved Sequence Analysis
  • · Replies 21 ·
Replies
21
Views
4K
High School What does vertical bars around a set mean?
  • · Replies 1 ·
Replies
1
Views
6K
MHB What Are the Time Complexities of These Functions?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Asymmetry between probability distributions
  • · Replies 7 ·
Replies
7
Views
2K
Undergrad The error between two different standard deviations
  • · Replies 16 ·
Replies
16
Views
3K
Graduate MLE estimator for mean always equal to the mean?
  • · Replies 5 ·
Replies
5
Views
4K
MHB Math Game HELP: Solve Hard Task with Invariants
  • · Replies 3 ·
Replies
3
Views
2K
MHB Prove |X| = |Y| When X\Y and Y\X are Equipotent Sets
  • · Replies 3 ·
Replies
3
Views
3K
Graduate Categorical Counterpart to Relation bet Metric and Measure S
  • · Replies 7 ·
Replies
7
Views
2K
MHB What Polynomial Pairs Satisfy These Complex Functional Equations?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Show a functions inverse is injective iff f is surjective
  • · Replies 10 ·
Replies
10
Views
4K
MHB Count the number of strings of length 8...
  • · Replies 2 ·
Replies
2
Views
2K
High School Why does multiplying by 100 convert a fraction or decimal....
  • · Replies 11 ·
Replies
11
Views
9K
MHB Prior probability distributions
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Looking for a Better Textbook on Set Theory?
  • · Replies 6 ·
Replies
6
Views
3K
Graduate Which Fit Should Be Chosen When Goodness of Fit Values Are Close?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate How to Prove (∀x)(A→B) ≡ ((∃x)A) → B Using First-Order Logic
  • · Replies 23 ·
Replies
23
Views
5K
Graduate What Insights Can We Gain from Analyzing Mass and Velocity Ratios?
  • · Replies 1 ·
Replies
1
Views
1K
High School Dealing with very large and very small numbers
  • · Replies 1 ·
Replies
1
Views
1K
Undergrad Error Calc for Rabbit Feed Measurement
  • · Replies 11 ·
Replies
11
Views
2K
MHB Show at least one of the inequality must be true
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Determining Optimal Moving Average Period for Cyclical Sales
  • · Replies 3 ·
Replies
3
Views
1K