Set Theory, Logic, Probability, Statistics Forum

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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.
Graduate How can I prove that X is COUNTABLY compact?
  • synergy
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Undergrad Why does changing an x-value affect the mean but not the variation?
  • bob4000
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Undergrad Find the probability of his having to stop at the light Answer
  • nbalderaz
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Graduate Cantor's diagonal argument (I guess technically this comes under set theory)
  • jeffceth
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Graduate THe Laplace random variable has a PDF that is a double exponential
  • nbalderaz
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Undergrad Some elementary set theory questions
  • Townsend
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High School What Changed in Standard Deviation Calculation?
  • The Bob
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Graduate Question about Axioms and Theorems
  • Salt
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Undergrad What is the formula for converting monthly growth rate to annual growth rate?
  • vt33
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Graduate Droplet impact angles, errors in.
  • TeraExa
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High School How to find the # of possilibities?
  • Gary King
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Undergrad Uptown University: Learn French & Spanish
  • Alkatran
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4
Undergrad Understanding the Bias in Binomial Distribution for Probability Calculations
  • buddingscientist
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Undergrad Spearman's rho and Kendall's tau
  • choschech
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Undergrad Having trouble w/ understanding pdf
  • semidevil
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High School How many possible arrangements Permutations
  • Camel
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High School What Is the Intersection of All Diameters in a Circle?
  • Townsend
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High School Is There an Easier Way to Understand Polynomial Inequalities?
  • Pseudo Statistic
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Undergrad Calculating Poisson Distribution for Car Backfire Frequency on City Streets
  • buddingscientist
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Undergrad How many ways can prizes be distributed among lottery finalists?
  • eku_girl83
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Undergrad Understanding Probabilities: Proving P(A/B)=1 and A, B Independence
  • dionys
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Graduate Proof of Positive Definite Matrices: Symmetric & 2x2 w/Tr & Det
  • qaz
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Undergrad Statistics Problem: Sampling Distributions - Somewhat OT
  • AtlBraves
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Graduate Probability distribution of function of continuous random variables
  • kippers
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High School Exploring the Possibility Pyramid: A Simple Model for Understanding Probability
  • Sariaht
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High School Uncertainties and significant figures
  • Paragon
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Undergrad Proof by Induction: 3^n >= 1+2^n
  • eku_girl83
  • · Replies 4 ·
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Graduate Good books for learning topology
  • Ed Quanta
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Undergrad Proof by Induction and divisibility
  • Caldus
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Undergrad Checking for similar items in sets
  • Gotcha
  • · Replies 8 ·
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8
Undergrad Can a Probability Be Greater Than 1 in Statistics?
  • new324
  • · Replies 7 ·
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Undergrad The Mysterious Math of Chess: Probabilities and Possibilities
  • cepheid
  • · Replies 8 ·
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Undergrad Probability of K People Tossing Coins n Times
  • nbalderaz
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Undergrad What Are Proportional Subsets in Infinite Sets?
  • Imparcticle
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Undergrad Solve the Game Theory Problem: How Many Players Started?
  • galois427
  • · Replies 4 ·
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Undergrad Clarification for Probability problem
  • TFreem
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Undergrad What is the Sum Formula for Sigma (n^c)?
  • bomba923
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Graduate A Drunkard's Walk: Proving Positive Average Displacement
  • Nexus[Free-DC]
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Undergrad If a 235 lb person falls 2 stories in an elevator
  • Orbit
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Undergrad Construct All Transitive Relations on A={1,2,3}: Tips for Students
  • CartoonKid
  • · Replies 9 ·
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Undergrad Trouble w/ injections, surjections, bijections
  • semidevil
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Graduate Chi-square to standard normal distribution
  • forget_f1
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Undergrad I Can't understand this problem
  • dionys
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3
Graduate Can 'All' Be Quantified with Fibonacci Numbers?
  • Imparcticle
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High School Explaining Logical Implication: "If P Then Q
  • physicsuser
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Graduate What Is the Domain and Cardinality Representation for an Infinite Summation?
  • bomba923
  • · Replies 4 ·
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Undergrad Married couples - geometric distribution
  • irony of truth
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Graduate Ω:sample space F:set E:belongs For an σ-algebra
  • Theo
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Undergrad Solve Probability Problem: A, B, C Coin Throw
  • dionys
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Undergrad Proof: A, B, and C Sets | A Union B Subset of C
  • anon1980_1@hotmail.c
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Graduate What is the distribution of service in a M/M/1 airport simulation queue?
  • EvLer
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Undergrad The expected value of a Geometric Series
  • relinquished™
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Undergrad Error Propagation: Solutions to Complex Equations
  • coregis
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High School Is there a simpler method to prove absolute inequalities?
  • imranmeghji
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Undergrad Prove That GCD(a,b) = 1 Implies LCM(a,b) = ab
  • Yoss
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Undergrad Debate Over Card Game Odds: No Consensus Reached
  • Brad_Ad23
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Graduate Goedel's theorem, some questions.
  • vanesch
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Undergrad Show function equality is false
  • cateater2000
  • · Replies 3 ·
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Undergrad Solving a Chi-Squared Test Divide by Zero Error
  • Moose352
  • · Replies 1 ·
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Undergrad Calculating Probability in Magic: The Gathering with a Decreasing Deck
  • Higgs_world
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Graduate Blackjack, random number generators
  • billy_boy_999
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Undergrad Need help with two simple proofs
  • eku_girl83
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Graduate Proving f^-1(Y ∩ Z) = f^-1(Y) ∩ f^-1(Z)
  • cateater2000
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High School Why is the degrees of freedom for variance calculation n-1 instead of n?
  • PRodQuanta
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Graduate Proof that a stochastic process isn't a Markov Process
  • gesteves
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High School Why is the number 1 a natural number?
  • Fredrick
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Graduate Cansomeone please explain Godel's incompleteness theorem?
  • Simfish
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Undergrad What Are the Key Steps in Prime Number Proofs?
  • eku_girl83
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Graduate Difference between R^2 and R: What distinguishes them in terms of topology?
  • pervect
  • · Replies 15 ·
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Undergrad Probability of Throwing at least 1 "6" vs Double 6 in Dice Rolls
  • karambos
  • · Replies 1 ·
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Undergrad Solving Set Operation Problem w/ Precedence & Symmetric Diff
  • Yoss
  • · Replies 5 ·
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Undergrad Seeking Help with Stats: Sample Size Guidance Needed
  • Betty-boop
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Graduate Let $X_n$ a random variable of same law
  • Feynman
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Undergrad Figuring out # of possible combos of 3
  • Math Is Hard
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Graduate How Can I Prove the Independence of Functions of Independent Random Variables?
  • franz32
  • · Replies 3 ·
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Graduate Mathematics and Infinity: Understanding the Concept of Infinity in Mathematics
  • musky_ox
  • · Replies 6 ·
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High School What Cool Things Can You Do With Statistics?
  • JKLM
  • · Replies 1 ·
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Undergrad Is x not in A or B AND not in C?
  • kernelpenguin
  • · Replies 1 ·
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Graduate Set Theory Proofs: f:X->Y Function and Subset B of Y
  • Ed Quanta
  • · Replies 3 ·
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Graduate Properties of probability measures
  • Mathechyst
  • · Replies 6 ·
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Graduate Godel - Completeness of axiomatic systems
  • Adam Mclean
  • · Replies 70 ·
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Graduate Proving Statements to Help You Out
  • Altemicione
  • · Replies 15 ·
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High School How can I simulate spinning an 8-sided spinner 100 times on a TI-89 calculator?
  • 4assedmonkey
  • · Replies 2 ·
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Graduate Attempts until Rnd<constant, has exponential distribution?
  • dodo
  • · Replies 2 ·
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Graduate What is the probability that a subgraph of a connected graph is also connected?
  • samirg
  • · Replies 3 ·
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High School Chi square is useful - but why square?
  • antevante
  • · Replies 6 ·
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Undergrad Probability Question that involves alot of counting
  • relinquished™
  • · Replies 3 ·
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Graduate What is the Probability a Random Number's Cube Ends in 11?
  • loseyourname
  • · Replies 9 ·
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Graduate Trying to learn topology and with this proof
  • Ed Quanta
  • · Replies 3 ·
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Undergrad A conditional probability question
  • fbsthreads
  • · Replies 9 ·
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9
Graduate What is the inverse image of an open set with multiple conditions?
  • Ed Quanta
  • · Replies 5 ·
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Undergrad Proving x=z Using Boolean Algebra Properties
  • sjaguar13
  • · Replies 3 ·
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3
Graduate Goedels Incompleteness Theorem
  • Curious6
  • · Replies 79 ·
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High School How Many Attempts to Find an Object in Random Boxes?
  • mu
  • · Replies 3 ·
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Graduate The probability distribution function of
  • relinquished™
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Undergrad How do you do this? on Probability(without replacement)
  • ak
  • · Replies 1 ·
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High School Instructions for TI-83 for probabilities
  • nautica
  • · Replies 2 ·
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Undergrad Calculating Probability of 2+ Homeruns for Baseball Player in 4 At-Bats
  • Muck
  • · Replies 4 ·
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Undergrad Probability of object falling into a container
  • stlag37
  • · Replies 4 ·
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Graduate Does Brouwer's Fixed-Point Theorem Proof Involve Retraction Contradictions?
  • Ed Quanta
  • · Replies 1 ·
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