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.
Undergrad Spearman's rho and Kendall's tau
  • · Replies 2 ·
Replies
2
Views
7K
Undergrad Having trouble w/ understanding pdf
  • · Replies 1 ·
Replies
1
Views
3K
High School How many possible arrangements Permutations
  • · Replies 1 ·
Replies
1
Views
2K
High School What Is the Intersection of All Diameters in a Circle?
  • · Replies 1 ·
Replies
1
Views
12K
High School Is There an Easier Way to Understand Polynomial Inequalities?
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Calculating Poisson Distribution for Car Backfire Frequency on City Streets
  • · Replies 2 ·
Replies
2
Views
4K
Undergrad How many ways can prizes be distributed among lottery finalists?
  • · Replies 2 ·
Replies
2
Views
5K
Undergrad Understanding Probabilities: Proving P(A/B)=1 and A, B Independence
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Proof of Positive Definite Matrices: Symmetric & 2x2 w/Tr & Det
  • · Replies 2 ·
Replies
2
Views
4K
Undergrad Statistics Problem: Sampling Distributions - Somewhat OT
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Probability distribution of function of continuous random variables
  • · Replies 1 ·
Replies
1
Views
6K
High School Exploring the Possibility Pyramid: A Simple Model for Understanding Probability
  • · Replies 4 ·
Replies
4
Views
3K
High School Uncertainties and significant figures
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad Proof by Induction: 3^n >= 1+2^n
  • · Replies 4 ·
Replies
4
Views
6K
Graduate Good books for learning topology
  • · Replies 4 ·
Replies
4
Views
9K
Undergrad Proof by Induction and divisibility
  • · Replies 6 ·
Replies
6
Views
7K
Undergrad Checking for similar items in sets
  • · Replies 8 ·
Replies
8
Views
3K
Undergrad Can a Probability Be Greater Than 1 in Statistics?
  • · Replies 7 ·
Replies
7
Views
2K
Undergrad The Mysterious Math of Chess: Probabilities and Possibilities
  • · Replies 8 ·
Replies
8
Views
8K
Undergrad Probability of K People Tossing Coins n Times
  • · Replies 1 ·
Replies
1
Views
4K
Undergrad What Are Proportional Subsets in Infinite Sets?
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Solve the Game Theory Problem: How Many Players Started?
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad Clarification for Probability problem
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad What is the Sum Formula for Sigma (n^c)?
  • · Replies 6 ·
Replies
6
Views
12K
Graduate A Drunkard's Walk: Proving Positive Average Displacement
  • · Replies 21 ·
Replies
21
Views
5K
Undergrad If a 235 lb person falls 2 stories in an elevator
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad Construct All Transitive Relations on A={1,2,3}: Tips for Students
  • · Replies 9 ·
Replies
9
Views
3K
Undergrad Trouble w/ injections, surjections, bijections
  • · Replies 5 ·
Replies
5
Views
3K
Graduate Chi-square to standard normal distribution
  • · Replies 1 ·
Replies
1
Views
11K
Undergrad I Can't understand this problem
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Can 'All' Be Quantified with Fibonacci Numbers?
  • · Replies 3 ·
Replies
3
Views
2K
High School Explaining Logical Implication: "If P Then Q
  • · Replies 2 ·
Replies
2
Views
5K
Graduate What Is the Domain and Cardinality Representation for an Infinite Summation?
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad Married couples - geometric distribution
  • · Replies 1 ·
Replies
1
Views
5K
Graduate Ω:sample space F:set E:belongs For an σ-algebra
  • · Replies 1 ·
Replies
1
Views
4K
Undergrad Solve Probability Problem: A, B, C Coin Throw
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Proof: A, B, and C Sets | A Union B Subset of C
  • · Replies 6 ·
Replies
6
Views
5K
Graduate What is the distribution of service in a M/M/1 airport simulation queue?
  • · Replies 1 ·
Replies
1
Views
4K
Undergrad The expected value of a Geometric Series
  • · Replies 5 ·
Replies
5
Views
15K
Undergrad Error Propagation: Solutions to Complex Equations
  • · Replies 1 ·
Replies
1
Views
4K
High School Is there a simpler method to prove absolute inequalities?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Prove That GCD(a,b) = 1 Implies LCM(a,b) = ab
  • · Replies 8 ·
Replies
8
Views
5K
Undergrad Debate Over Card Game Odds: No Consensus Reached
  • · Replies 3 ·
Replies
3
Views
3K
Graduate Goedel's theorem, some questions.
  • · Replies 28 ·
Replies
28
Views
4K
Undergrad Show function equality is false
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad Solving a Chi-Squared Test Divide by Zero Error
  • · Replies 1 ·
Replies
1
Views
7K
Undergrad Calculating Probability in Magic: The Gathering with a Decreasing Deck
  • · Replies 4 ·
Replies
4
Views
3K
Graduate Blackjack, random number generators
  • · Replies 2 ·
Replies
2
Views
8K
Undergrad Need help with two simple proofs
  • · Replies 4 ·
Replies
4
Views
3K
Graduate Proving f^-1(Y ∩ Z) = f^-1(Y) ∩ f^-1(Z)
  • · Replies 5 ·
Replies
5
Views
4K
High School Why is the degrees of freedom for variance calculation n-1 instead of n?
  • · Replies 5 ·
Replies
5
Views
2K
Graduate Proof that a stochastic process isn't a Markov Process
  • · Replies 4 ·
Replies
4
Views
10K
High School Why is the number 1 a natural number?
  • · Replies 9 ·
Replies
9
Views
3K
Graduate Cansomeone please explain Godel's incompleteness theorem?
  • · Replies 2 ·
Replies
2
Views
5K
Undergrad What Are the Key Steps in Prime Number Proofs?
  • · Replies 7 ·
Replies
7
Views
10K
Graduate Difference between R^2 and R: What distinguishes them in terms of topology?
  • · Replies 15 ·
Replies
15
Views
17K
Undergrad Probability of Throwing at least 1 "6" vs Double 6 in Dice Rolls
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad Solving Set Operation Problem w/ Precedence & Symmetric Diff
  • · Replies 5 ·
Replies
5
Views
6K
Undergrad Seeking Help with Stats: Sample Size Guidance Needed
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Let $X_n$ a random variable of same law
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Figuring out # of possible combos of 3
  • · Replies 4 ·
Replies
4
Views
6K
Graduate How Can I Prove the Independence of Functions of Independent Random Variables?
  • · Replies 3 ·
Replies
3
Views
8K
Graduate Mathematics and Infinity: Understanding the Concept of Infinity in Mathematics
  • · Replies 6 ·
Replies
6
Views
3K
High School What Cool Things Can You Do With Statistics?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Is x not in A or B AND not in C?
  • · Replies 1 ·
Replies
1
Views
4K
Graduate Set Theory Proofs: f:X->Y Function and Subset B of Y
  • · Replies 3 ·
Replies
3
Views
13K
Graduate Properties of probability measures
  • · Replies 6 ·
Replies
6
Views
6K
Graduate Godel - Completeness of axiomatic systems
  • · Replies 70 ·
3
Replies
70
Views
15K
Graduate Proving Statements to Help You Out
  • · Replies 15 ·
Replies
15
Views
4K
High School How can I simulate spinning an 8-sided spinner 100 times on a TI-89 calculator?
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Attempts until Rnd<constant, has exponential distribution?
  • · Replies 2 ·
Replies
2
Views
3K
Graduate What is the probability that a subgraph of a connected graph is also connected?
  • · Replies 3 ·
Replies
3
Views
3K
High School Chi square is useful - but why square?
  • · Replies 6 ·
Replies
6
Views
7K
Undergrad Probability Question that involves alot of counting
  • · Replies 3 ·
Replies
3
Views
3K
Graduate What is the Probability a Random Number's Cube Ends in 11?
  • · Replies 9 ·
Replies
9
Views
4K
Graduate Trying to learn topology and with this proof
  • · Replies 3 ·
Replies
3
Views
4K
Undergrad A conditional probability question
  • · Replies 9 ·
Replies
9
Views
3K
Graduate What is the inverse image of an open set with multiple conditions?
  • · Replies 5 ·
Replies
5
Views
8K
Undergrad Proving x=z Using Boolean Algebra Properties
  • · Replies 3 ·
Replies
3
Views
12K
Graduate Goedels Incompleteness Theorem
  • · Replies 79 ·
3
Replies
79
Views
12K
High School How Many Attempts to Find an Object in Random Boxes?
  • · Replies 3 ·
Replies
3
Views
4K
Graduate The probability distribution function of
  • · Replies 2 ·
Replies
2
Views
8K
Undergrad How do you do this? on Probability(without replacement)
  • · Replies 1 ·
Replies
1
Views
21K
High School Instructions for TI-83 for probabilities
  • · Replies 2 ·
Replies
2
Views
4K
Undergrad Calculating Probability of 2+ Homeruns for Baseball Player in 4 At-Bats
  • · Replies 4 ·
Replies
4
Views
33K
Undergrad Probability of object falling into a container
  • · Replies 4 ·
Replies
4
Views
3K
Graduate Does Brouwer's Fixed-Point Theorem Proof Involve Retraction Contradictions?
  • · Replies 1 ·
Replies
1
Views
5K
Undergrad Why Standard Deviation is Calculated Differently: Explained
  • · Replies 4 ·
Replies
4
Views
4K
Undergrad Solving Coffee Shop Customers Problem: Probability Mass Function
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad Learn More About Relational Theory: Get Tips Here
  • · Replies 7 ·
Replies
7
Views
3K
High School Finding the Priority Number of My Books
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Probability of All Suits in 7-Card Hand
  • · Replies 10 ·
Replies
10
Views
6K
Undergrad Solving Moon Gravity Problem: 16.2 x 10^-13 N/kg
  • · Replies 6 ·
Replies
6
Views
4K
Undergrad Excel help with error bar formula
  • · Replies 1 ·
Replies
1
Views
9K
Undergrad How can I calculate the probability of X = 1,2,3 in a three-toss die experiment?
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad Normal distrobution? how is it done
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad Questions about what is an onto function and what is not
  • · Replies 7 ·
Replies
7
Views
7K
Undergrad Probability of lights burning out in Series Circuit
  • · Replies 3 ·
Replies
3
Views
11K
Undergrad Stats Question: Anemia, Flu, and Drug Analysis
  • · Replies 8 ·
Replies
8
Views
2K
High School How to quickly determine a range of output values
  • · Replies 5 ·
Replies
5
Views
2K