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 Is there a set A where (\mathcal{P}(A), \subseteq) is totally ordered?
  • Jacobpm64
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Undergrad Normalizing histograms and Finding best fit distribution
  • shegal
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Undergrad How can you calculate modular inverses and use them to solve equations?
  • smoothman
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Undergrad Proving an Equivalence Relation: Tips & Examples
  • helpm3pl3ase
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Undergrad What Is the Probability of Drawing Three Cards in Order from a Deck of Ten?
  • sputnik
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Undergrad Calculate Assessable Income with a 50% Franked Dividend of $500
  • JimmyJockstrap
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Undergrad Conditional Probability of defective bulb
  • Kites
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Undergrad How many sandwich combinations can you create with different garnish options?
  • Kites
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Graduate How are sets defined in mathematics?
  • phoenixthoth
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Graduate Cartesian Product syntax in dictionary order relation definition
  • Diffy
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Undergrad What Are the Odds of Drawing at Least One King, Queen, or Ace in Three Attempts?
  • clarkd25
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Undergrad How Many Distinct Positive Integer-Valued Vectors Satisfy This Equation?
  • anik18
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Graduate Help with variance sum + correlation coefficient formula
  • Simfish
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Graduate Unbised estimator of Binomial Distribution
  • leon1127
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6
High School What Is the Probability a Woman Over 25 Does Not Have a Bachelor's Degree?
  • anik18
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Graduate What Does arg Mean in Maximum Likelihood Estimation?
  • Simfish
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Graduate Extending Ordinals: Constructions & Inverses
  • jostpuur
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2
Undergrad Solve IQ Test Problem: Percent Adults Qualifying for MENSA Membership
  • alandry06
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4
Graduate Ordinals - set of r-v'd functions on any interval in R and cardinality
  • SiddharthM
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Graduate Proving Well-Orderedness of a Totally Ordered Set
  • dmuthuk
  • · Replies 9 ·
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Graduate Need great books on great topics
  • ramesh10dulkar
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Graduate Determining Elliptical-ness of Data: A Statistical Approach?
  • Aaron
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Undergrad Quick question about finding standard deviation
  • rock.freak667
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Undergrad Is every function in the set of all functions a rational function?
  • ice109
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Graduate I'm sure there are lots of way to define complexity in different
  • Cincinnatus
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Graduate How can the inequality hold for an injective function?
  • waht
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Undergrad Dummy Variable Coefficient Proof
  • i_not_alone
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3
Undergrad Understanding Probability of HIV and Herpes in Blood Donors
  • mirandasatterley
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3
Undergrad Predicting Rainfall in a Village: Understanding the Necessary Information
  • svm
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Graduate Re: Streched exponentail function
  • Indhu
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Graduate Question Regarding Sets and Functions
  • Diffy
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4
Graduate Answer: Cardinality of (0,1) and [0,1] Real Numbers
  • MrJB
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Undergrad How Many Permutations Can a 1000x1000x1000 and 5-Dimensional Rubik's Cube Have?
  • MALON
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Graduate Why is the brute force factoring algorithm exponential time?
  • michael879
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Undergrad Error Analysis: Solving 2a^2 + b^2 with Uncertainty (a=6.0+/-0.1, b=17.5+/-0.3)
  • neoking77
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Graduate Set theory in Munkres Topology
  • Diffy
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3
High School How do I correctly notate the domain and range of a function using sets?
  • Feldoh
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5
Graduate How to prove that the positive irrationals are not denumerable?
  • Werg22
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Graduate How Do Various Theories Define Information Through Entropy?
  • Chris Hillman
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Graduate Why Do We Need the Axiom of Choice?
  • sutupidmath
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9
Undergrad Creating a histogram and then applying a gaussian fit. Help
  • absolute3
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Graduate Generic algorithm for probability any propositional formula
  • Aldebaran2
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Graduate Proving |2^{A}| = 2^|A| Using Mathematical Induction - Step By Step Guide
  • bigrodey77
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Undergrad Does a=b imply 1/a = 1/b in mathematics?
  • Aeneas
  • · Replies 9 ·
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Undergrad Permutations/combinations help
  • roadrunner
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Graduate What Is the Probability of a Conjunction of N Non-Independent Hypotheses?
  • Aldebaran2
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Graduate Genetic Variance Between Pops as compared Within Pops
  • Simfish
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Undergrad R3M Debenture: Issue and Trading Details for Reserve Bank Nominal Value
  • Lungi Mchunu
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Undergrad How is the negative binomial the inverse of the binomial distribution?
  • Simfish
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Undergrad How can I determine the contour lines for temperature readings on a map?
  • DaveC426913
  • · Replies 9 ·
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Undergrad Proofs on Sets: Help with Proving (A \cup B) X C
  • bigrodey77
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Undergrad Advice on Exponential, Binomial, & Normal Distributions
  • NW8800
  • · Replies 3 ·
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High School Question: What is the average of seven rolls of 3d8 in a PnP RPG?
  • Monoculus
  • · Replies 18 ·
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High School On: What is the Probability of 53 Sundays in an Ordinary Year?
  • suganya
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Graduate How Does the Expectation of a Normal Variable Derivation Work?
  • rwinston
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4
Number of replies for most recent post in PF
  • Loren Booda
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Undergrad Can You Solve This Onto, But Not One-to-One Function Challenge?
  • Jrb599
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Undergrad Solving Present Value Question: Finding (1+i)^2n | Actuary Class
  • Jrb599
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High School Visualizing Relationships with Venn Diagrams and Sets S, A, B, C
  • haoku
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Undergrad What Are the Chances of Being Lucky or Unlucky in Probability Terms?
  • ganstaman
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Undergrad Where Can I Learn About Sylow's Theorem?
  • Twiddles
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Undergrad Solve Algebraic Equation: r > b/(sqrt2-1) = (sqrt2+1)b | Easy Explanation
  • rwinston
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Undergrad What Do You Get by Minimizing \sum |y_i - a|^n for Various n's?
  • JoAuSc
  • · Replies 9 ·
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Posting Guidelines for T.Engineer - Graduate/Post-Graduate Level
  • EnumaElish
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Graduate Logic: Extension Theorem Explained
  • dobry_den
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Undergrad Probability of logic relationships
  • riccardo
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High School Calculating Odds of Coin Toss: Accurate?
  • subhailc
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Undergrad Is the intersection of two open sets always open?
  • tburnum
  • · Replies 24 ·
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Undergrad Optimal Number of Plays for Maximum Return: A Probability Analysis
  • jessica123
  • · Replies 7 ·
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Undergrad Interest based investment strategy
  • wonder_boy
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Undergrad Compounding Interest Formulas for Varying Annual Deposits and Interest Rates
  • Eph
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Graduate Calculating Probability of 20 Heads in a Row in 24 Hours
  • Pavel
  • · Replies 17 ·
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Graduate Quick question about cardinals
  • Dragonfall
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Undergrad Question concerning probablity
  • Mins
  • · Replies 7 ·
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7
Undergrad Distribution of frequency question?
  • jimmy1
  • · Replies 12 ·
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12
Graduate Distribution function approach to error propagation
  • Jezabel
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Graduate Markov Random Field - Understanding the Definition
  • Palindrom
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5
Graduate What is the relationship between probability and irrationality in mathematics?
  • pinwheel111
  • · Replies 25 ·
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Graduate Continuous-time processes with attraction?
  • CRGreathouse
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Graduate Proof of Order Isomorphism Claim for Well Ordered Sets
  • dmuthuk
  • · Replies 9 ·
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9
Graduate How to Choose the Right CRC for High Confidence Error Detection?
  • Emanresu
  • · Replies 1 ·
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1
Undergrad Rule of Inference: A->B - When is B?
  • philiprdutton
  • · Replies 15 ·
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High School Adding Sets: A+B = Union & Intersection
  • pivoxa15
  • · Replies 17 ·
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Undergrad Probability of Repeated Identical Numerals
  • John14:6
  • · Replies 15 ·
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Undergrad Area of the Circle and Probability
  • musicheck
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4
Graduate Prediction Intervals (Critical Levels)
  • kimberley
  • · Replies 9 ·
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9
Graduate What is the cardinality of a bag with zero-count elements?
  • dodo
  • · Replies 4 ·
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4
Undergrad How to Calculate Mean & Variance of a Function
  • T.Engineer
  • · Replies 18 ·
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Undergrad Do repeated prime factors count as distinct members in a set for proof purposes?
  • Zeth
  • · Replies 2 ·
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Undergrad Understanding Statistical Terms and Variables for Data Analysis
  • corinnagirl
  • · Replies 2 ·
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2
Undergrad Study the autocorrelation function
  • T.Engineer
  • · Replies 33 ·
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Graduate Definition of function notation
  • Manchot
  • · Replies 4 ·
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4
Graduate How much choice for free ultrafilters?
  • CRGreathouse
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4
Undergrad Can any subset from a set of {1,2,...,2n} contain two elements where one divides the other?
  • barbiemathgurl
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Graduate What values should coins have?
  • phoenixthoth
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Undergrad What are some good references for learning about combinatorics and enumeration?
  • CRGreathouse
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6
Graduate Probability inequality for the sum of independent normal random variables
  • phonic
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3
Undergrad Reviewing Image Retrieval Performance Using Chi-Square
  • chisqaw
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Graduate Is Luzin Hypothesis Consistent with Set Theory?
  • xouper
  • · Replies 2 ·
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High School How Many Combinations Are Possible in Arby's 5 for $5.95 Deal?
  • sk381
  • · Replies 12 ·
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