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Graduate Proving Non-Empty Finite Sets with Induction: A Challenge
- SahDu
- · Replies 3 ·
Undergrad What is the difference with inequalities?
- Trail_Builder
- · Replies 7 ·
High School How Many Significant Figures Are Correct in Rounding 6.0221367?
- Joza
- · Replies 4 ·
Undergrad Implications from propositions A => B, A <=> C and C => B
- x-is-y
- · Replies 3 ·
High School How Many Ladies Had All Four Items at the Church Fete?
- ilvpat
- · Replies 4 ·
Graduate Is there a set A where (\mathcal{P}(A), \subseteq) is totally ordered?
- Jacobpm64
- · Replies 5 ·
Undergrad Normalizing histograms and Finding best fit distribution
- shegal
- · Replies 1 ·
Undergrad How can you calculate modular inverses and use them to solve equations?
- smoothman
- · Replies 8 ·
Undergrad How do I prove a relation is an equivalence relation?
- helpm3pl3ase
- · Replies 2 ·
Undergrad What Is the Probability of Drawing Three Cards in Order from a Deck of Ten?
- sputnik
- · Replies 1 ·
Undergrad Calculate Assessable Income with a 50% Franked Dividend of $500
- JimmyJockstrap
- · Replies 1 ·
Undergrad Conditional Probability of defective bulb
- Kites
- · Replies 10 ·
Undergrad How many sandwich combinations can you create with different garnish options?
- Kites
- · Replies 2 ·
Graduate How are sets defined in mathematics?
- phoenixthoth
- · Replies 2 ·
Graduate Cartesian Product syntax in dictionary order relation definition
- Diffy
- · Replies 1 ·
Undergrad What Are the Odds of Drawing at Least One King, Queen, or Ace in Three Attempts?
- clarkd25
- · Replies 1 ·
Undergrad How Many Distinct Positive Integer-Valued Vectors Satisfy This Equation?
- anik18
- · Replies 6 ·
Graduate Proving correlation coefficient bounds using variance sum
- Simfish
- · Replies 13 ·
Graduate Unbised estimator of Binomial Distribution
- leon1127
- · Replies 6 ·
High School What Is the Probability a Woman Over 25 Does Not Have a Bachelor's Degree?
- anik18
- · Replies 1 ·
Graduate What Does arg Mean in Maximum Likelihood Estimation?
- Simfish
- · Replies 1 ·
Graduate Are there ordinal extensions where every nonzero element has an inverse?
- jostpuur
- · Replies 2 ·
Undergrad Solve IQ Test Problem: Percent Adults Qualifying for MENSA Membership
- alandry06
- · Replies 4 ·
Graduate Ordinals - set of r-v'd functions on any interval in R and cardinality
- SiddharthM
- · Replies 7 ·
Graduate Proving Well-Orderedness of a Totally Ordered Set
- dmuthuk
- · Replies 9 ·
Graduate Need great books on great topics
- ramesh10dulkar
- · Replies 2 ·
Graduate Determining Elliptical-ness of Data: A Statistical Approach?
- Aaron
- · Replies 2 ·
Undergrad Deriving the standard deviation formula and when to use N vs N-1
- rock.freak667
- · Replies 2 ·
Undergrad Is every function in the set of all functions a rational function?
- ice109
- · Replies 10 ·
Graduate I'm sure there are lots of way to define complexity in different
- Cincinnatus
- · Replies 3 ·
Graduate How can the inequality hold for an injective function?
- waht
- · Replies 9 ·
Undergrad Dummy Variable Coefficient Proof
- i_not_alone
- · Replies 3 ·
Undergrad Understanding Probability of HIV and Herpes in Blood Donors
- mirandasatterley
- · Replies 3 ·
Undergrad How much information does a 75% accurate rain predictor gain?
- svm
- · Replies 3 ·
Graduate Re: Streched exponentail function
- Indhu
- · Replies 1 ·
Graduate Question Regarding Sets and Functions
- Diffy
- · Replies 4 ·
Graduate Bijection between open and closed intervals (0,1) and [0,1]
- MrJB
- · Replies 14 ·
Undergrad How Many Permutations Can a 1000x1000x1000 and 5-Dimensional Rubik's Cube Have?
- MALON
- · Replies 5 ·
Graduate Why is the brute force factoring algorithm exponential time?
- michael879
- · Replies 9 ·
Undergrad How do I find the uncertainty when calculating 2a² + b²?
- neoking77
- · Replies 6 ·
Graduate Set theory in Munkres Topology
- Diffy
- · Replies 3 ·
High School How do I correctly notate the domain and range of a function using sets?
- Feldoh
- · Replies 5 ·
Graduate How to prove that the positive irrationals are not denumerable?
- Werg22
- · Replies 19 ·
Graduate How Do Various Theories Define Information Through Entropy?
- Chris Hillman
- · Replies 13 ·
Graduate Why Do We Need the Axiom of Choice?
- sutupidmath
- · Replies 9 ·
Undergrad Histogram with bin centering and gaussian curve fit to normalized data
- absolute3
- · Replies 8 ·
Graduate Generic algorithm for probability any propositional formula
- Aldebaran2
- · Replies 9 ·
Graduate Proving |2^A| = 2^|A| for finite sets by induction
- bigrodey77
- · Replies 2 ·
Undergrad Does a=b imply 1/a = 1/b in mathematics?
- Aeneas
- · Replies 9 ·
Undergrad Why does 2^6-1 equal the number of Braille symbols?
- roadrunner
- · Replies 2 ·
Graduate What Is the Probability of a Conjunction of N Non-Independent Hypotheses?
- Aldebaran2
- · Replies 2 ·
Graduate Genetic Variance Between Pops as compared Within Pops
- Simfish
- · Replies 1 ·
Undergrad R3M Debenture: Issue and Trading Details for Reserve Bank Nominal Value
- Lungi Mchunu
- · Replies 4 ·
Undergrad How is the negative binomial the inverse of the binomial distribution?
- Simfish
- · Replies 1 ·
Undergrad How can I determine the contour lines for temperature readings on a map?
- DaveC426913
- · Replies 9 ·
Undergrad Proving (A ∪ B) × C = (A × C) ∪ (B × C)
- bigrodey77
- · Replies 5 ·
Undergrad Homework help with exponential, binomial, normal and Poisson distributions
- NW8800
- · Replies 3 ·
High School Question: What is the average of seven rolls of 3d8 in a PnP RPG?
- Monoculus
- · Replies 18 ·
High School On: What is the Probability of 53 Sundays in an Ordinary Year?
- suganya
- · Replies 3 ·
Graduate How Does the Expectation of a Normal Variable Derivation Work?
- rwinston
- · Replies 4 ·
Number of replies for most recent post in PF
- Loren Booda
- · Replies 2 ·
Undergrad Can You Solve This Onto, But Not One-to-One Function Challenge?
- Jrb599
- · Replies 7 ·
Undergrad Finding (1+i)^2n given present value sum equals 1
- Jrb599
- · Replies 1 ·
High School Visualizing Relationships with Venn Diagrams and Sets S, A, B, C
- haoku
- · Replies 3 ·
Undergrad What Are the Chances of Being Lucky or Unlucky in Probability Terms?
- ganstaman
- · Replies 4 ·
Undergrad Where Can I Learn About Sylow's Theorem?
- Twiddles
- · Replies 6 ·
Undergrad Rationalizing b/(sqrt2-1) = (sqrt2+1)b in probability algebra
- rwinston
- · Replies 3 ·
Undergrad What Do You Get by Minimizing \sum |y_i - a|^n for Various n's?
- JoAuSc
- · Replies 9 ·
Guidelines for posting graduate and post-graduate engineering questions
- EnumaElish
- · Replies 49 ·
Graduate Extension theorem in Hodges's Logic chapter 24
- dobry_den
- · Replies 6 ·
Undergrad Probability of logic relationships
- riccardo
- · Replies 6 ·
High School Calculating Odds of Coin Toss: Accurate?
- subhailc
- · Replies 2 ·
Undergrad Is the intersection of two open sets always open?
- tburnum
- · Replies 24 ·
Undergrad Optimal number of plays to reach 33% return rate with probability 1/3 win
- jessica123
- · Replies 7 ·
Undergrad Interest based investment strategy
- wonder_boy
- · Replies 2 ·
Undergrad Compounding Interest Formulas for Varying Annual Deposits and Interest Rates
- Eph
- · Replies 3 ·
Graduate Calculating Probability of 20 Heads in a Row in 24 Hours
- Pavel
- · Replies 17 ·
Graduate How to define an uncountable set of cardinal numbers
- Dragonfall
- · Replies 3 ·
Undergrad Question concerning probablity
- Mins
- · Replies 7 ·
Undergrad Distribution of frequency question?
- jimmy1
- · Replies 12 ·
Graduate Distribution function approach to error propagation
- Jezabel
- · Replies 5 ·
Graduate Domain and range of a Markov random field
- Palindrom
- · Replies 5 ·
Graduate What is the relationship between probability and irrationality in mathematics?
- pinwheel111
- · Replies 25 ·
Graduate Continuous-time processes with attraction?
- CRGreathouse
- · Replies 2 ·
Graduate Proof of Order Isomorphism Claim for Well Ordered Sets
- dmuthuk
- · Replies 9 ·
Graduate How to Choose the Right CRC for High Confidence Error Detection?
- Emanresu
- · Replies 1 ·
Undergrad Does A→B tell us when B happens relative to A?
- philiprdutton
- · Replies 15 ·
High School Does it make sense to add sets as A+B = A∪B + A∩B?
- pivoxa15
- · Replies 17 ·
Undergrad Probability of Repeated Identical Numerals
- John14:6
- · Replies 15 ·
Undergrad Area of the Circle and Probability
- musicheck
- · Replies 4 ·
Graduate Prediction Intervals (Critical Levels)
- kimberley
- · Replies 9 ·
Graduate What is the cardinality of a bag with zero-count elements?
- dodo
- · Replies 4 ·
Undergrad How to calculate mean and variance of a function
- T.Engineer
- · Replies 18 ·
Undergrad Do repeated prime factors count as distinct members in a set for proof purposes?
- Zeth
- · Replies 2 ·
Undergrad Understanding Statistical Terms and Variables for Data Analysis
- corinnagirl
- · Replies 2 ·
Undergrad Study the autocorrelation function
- T.Engineer
- · Replies 33 ·
Graduate Definition of function notation
- Manchot
- · Replies 4 ·
Graduate How much choice for free ultrafilters?
- CRGreathouse
- · Replies 4 ·
Undergrad Can any subset from a set of {1,2,...,2n} contain two elements where one divides the other?
- barbiemathgurl
- · Replies 2 ·
Graduate What values should coins have?
- phoenixthoth
- · Replies 11 ·