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Undergrad What are the Foundations of Mathematics and How Can I Learn Them?
- Black Orpheus
- · Replies 14 ·
Graduate Independence of repeated coin flips with same sample space
- chingkui
- · Replies 1 ·
Undergrad Why Does Variance Equal E[x^2] - (E[x])^2?
- vptran84
- · Replies 9 ·
Undergrad Ans: Solve Probability Problem: 80 Women in 150 People Sampled
- statsluke
- · Replies 1 ·
Undergrad How Can You Calculate the Arrangements of Red and White Roses in a Circle?
- Cheman
- · Replies 13 ·
Undergrad Solve Probability Question Using Poisson Distribution: Get Odds of Overuse
- statsluke
- · Replies 4 ·
Undergrad Solutions to Probability Puzzle: Find 3 Emergency Trained Staff
- statsluke
- · Replies 1 ·
Graduate What exactly does without loss of generality mean
- BicycleTree
- · Replies 8 ·
Graduate Finding Coefficient of x^n in 1/((1-x)(1-x^2)(1-x^3)) - Generating Functions
- adil
- · Replies 9 ·
Undergrad Calculating Annuity Payments for Investments
- shimmeringlight
- · Replies 12 ·
High School Expected value of max and second-largest in die rolls
- Redhead711
- · Replies 10 ·
Undergrad How Do Sales Representatives' Earnings Vary in a Canadian Clothing Chain?
- adeel
- · Replies 1 ·
Graduate Consistency of real number algebra
- C0nfused
- · Replies 11 ·
High School What is median by interpolation and how can it help me find the median?
- MightyMeanie
- · Replies 1 ·
Graduate Finding conditional density of exponential signal from noisy observation
- ionlylooklazy
- · Replies 7 ·
Graduate Counting the elements of a set of sets
- OlderDan
- · Replies 17 ·
Graduate What is the difference between class and set?
- chingkui
- · Replies 3 ·
Graduate Prove the division algorithm and the pigeonhole principle
- evanx
- · Replies 4 ·
Undergrad Ain't No Proof By Contradiction
- LeBrad
- · Replies 21 ·
Undergrad Probability that no man gets his own hat back
- manisha1980
- · Replies 14 ·
Graduate Calculating Probability and Profit for Drilling Wells: A Binomial Approach
- adeel
- · Replies 4 ·
Undergrad People Who Like A or C: Subset of Those Who Don't Like B and C
- EvLer
- · Replies 1 ·
Undergrad Finding P(B ∪ D) given mutually exclusive and collectively exhaustive events
- adeel
- · Replies 25 ·
Undergrad Distribution of total lottery winnings from multiple prize tiers
- muffi
- · Replies 5 ·
Graduate Let X be a set. A partition of X is a subset
- laminatedevildoll
- · Replies 1 ·
Graduate Do I have this definition right? (and a suprise bonus question on sequences)
- quasar987
- · Replies 6 ·
Graduate Understanding Proofs Involving Subsets
- laminatedevildoll
- · Replies 22 ·
High School Understanding Probability: Mutually Exclusive, Independent, And/Or Problems
- DLxX
- · Replies 5 ·
Graduate Proving Dedekind Cuts for D = {x: x \in Q and (x \leq or x^2 < 2)}
- laminatedevildoll
- · Replies 7 ·
Undergrad Likely Winner of Women's Shooting Contest
- himurakenshin
- · Replies 9 ·
Undergrad Midterm Practice: Could some verify my proof
- johnnyICON
- · Replies 2 ·
Graduate Probability Density Function of two Resistors in Parallel
- darthhath
- · Replies 4 ·
Undergrad Simulating Brownian motion with drift 4 and diffusion 2 in Excel
- Altemicione
- · Replies 1 ·
Undergrad Solving Problem with Marbles - David's Challenge
- straycat
- · Replies 12 ·
High School Average Deviations: Why is it Always Zero?
- chynawok
- · Replies 2 ·
Undergrad Bijections result when the function is surjective and injective
- laminatedevildoll
- · Replies 8 ·
Graduate What Is the Distribution of 2(X̄ - 10) / S?
- buddingscientist
- · Replies 2 ·
Undergrad Why use n-1 instead of n in the pooled variance formula
- adamg
- · Replies 2 ·
Graduate Finding choice functions c:P(X)→X for X={1,2,3}
- laminatedevildoll
- · Replies 19 ·
High School How Many Ways to Split Students and Combine Outfits?
- Apophis
- · Replies 3 ·
Undergrad PDF of sum of two variables with joint PDF
- vptran84
- · Replies 3 ·
Graduate Cartesian Product: \mathbb{R}^3
- quasar987
- · Replies 7 ·
Graduate Are there sets that are not partitionable in certain ways?
- quasar987
- · Replies 1 ·
Graduate Finding marginal and conditional PDFs for joint distribution on -1 ≤ x ≤ y ≤ 1
- vptran84
- · Replies 2 ·
Graduate Gaussian Random Variables Question
- chingkui
- · Replies 1 ·
High School Mutually exclusive/independent events
- Nylex
- · Replies 4 ·
High School Probablity of choosing the same number
- at_radio
- · Replies 2 ·
Graduate How to prove the double containment argument for infinite operations with sets?
- laminatedevildoll
- · Replies 2 ·
High School Can 12 People Share 3 Tables in 5 Days for Dinner?
- Xamfy19
- · Replies 4 ·
Undergrad Are combinations just an application of the counting principle?
- skrying
- · Replies 3 ·
Graduate How Many Choice Functions Exist for Finite and Infinite Sets?
- honestrosewater
- · Replies 1 ·
Graduate Autocorrelation, expectation, moment
- vptran84
- · Replies 1 ·
Graduate Do bijections require the axiom of choice to prove?
- laminatedevildoll
- · Replies 9 ·
Undergrad Combinations are just an application of the counting principle?
- skrying
- · Replies 4 ·
Undergrad What is the probability of a customer leaving a workshop happy?
- morry
- · Replies 7 ·
Graduate Testing hypothesis and significance level
- vptran84
- · Replies 1 ·
Undergrad What is the confidence interval for a 100 ohm resistor with 10% tolerance?
- vptran84
- · Replies 1 ·
Graduate To show that equivalence classes of ker f are concentric circles
- laminatedevildoll
- · Replies 2 ·
Undergrad Method of Moments: Solving For Theta
- semidevil
- · Replies 1 ·
High School Understanding Functions: Puzzled by f(x) = sqrt(x)?
- EvLer
- · Replies 3 ·
Graduate Calculating Ratios of Moments: Spatial Extent of Distribution
- Jacob
- · Replies 5 ·
Graduate Examples of Surjections from Uncountable Sets to Countable Sets
- honestrosewater
- · Replies 15 ·
Graduate Finding Upper and Lower Bounds for Subsets in R and Q
- laminatedevildoll
- · Replies 10 ·
High School If there is a box which has 7 red balls
- campa
- · Replies 3 ·
Graduate The Universe/Set Theory Conflict?
- Muon12
- · Replies 6 ·
Undergrad Verifying R is an Order Relation on {1,2,3}
- laminatedevildoll
- · Replies 10 ·
Undergrad Probability of Winning and Losing in a 3-Round Game
- campa
- · Replies 6 ·
Graduate Generalized likelihood ratio test
- BicycleTree
- · Replies 2 ·
Undergrad How many arrangements are possible
- Directrix
- · Replies 13 ·
Graduate Bacteria Colony Distribution in a Nutrient Dish
- Redhead711
- · Replies 2 ·
Graduate How can the Metropolis-Hastings algorithm help simulate a Normal Distribution?
- Zaare
- · Replies 2 ·
Undergrad Stock Market Investor: Probability of Retirement as a Winner
- Lisawmi
- · Replies 1 ·
Graduate Rao-Blackwells Theorem: Efficient Estimation Using Sufficient Statistics
- Zaare
- · Replies 4 ·
Graduate Can X_n Converge to X in Probability if it Doesn't Meet Definitions 2 or 3?
- Zaare
- · Replies 10 ·
Graduate Calculate E(XY) when X~N(0,1), Y=X^2~\chi^2(1)
- gimmytang
- · Replies 4 ·
Undergrad Calculating Probability with a Normal Distribution
- splitendz
- · Replies 6 ·
Undergrad Calculating Number of Distinct x Tuples from a Set A
- Dr-NiKoN
- · Replies 31 ·
Undergrad Probability Formula for Testing Joe's Claim in a Statistics Class
- doug123
- · Replies 7 ·
High School What is the Probability of Getting More Heads than Tails in 4 Coin Tosses?
- tae3001
- · Replies 7 ·
High School What is Set Theory and How is it Used in Science?
- <<<GUILLE>>>
- · Replies 2 ·
Graduate Various stuff, mostly about sets
- honestrosewater
- · Replies 7 ·
High School What do I need on the final to get an A in the class?
- ProBasket
- · Replies 2 ·
Graduate Probability Axioms: Deriving Version 2 from Version 1
- eddo
- · Replies 3 ·
Undergrad What is the probability of choosing at least one defective calculator?
- Azrioch
- · Replies 6 ·
Undergrad First-order logic : repesenting graphs
- nounou
- · Replies 35 ·
Graduate Second-order and Fixed-point Logic: Describing Graphs
- nounou
- · Replies 3 ·
High School What are the odds of winning, losing, or establishing a point on the first roll in craps?
- Steel_City82
- · Replies 2 ·
Graduate Proving the Non-Equivalence of 'P V Q' to Any Horn Formula
- nounou
- · Replies 4 ·
High School Proving Pb and not (P1, P2, P3...)
- danne89
- · Replies 4 ·
Graduate Interesting probability problem
- Alkatran
- · Replies 8 ·
Graduate Proving Infinite Sigma-Algebra's Countable Disjoint Subsets
- Zaare
- · Replies 3 ·
Undergrad Can {<->, ~} express all propositions?
- flying2000
- · Replies 27 ·
Graduate Ordinal Exponentiation Comparison
- aa
- · Replies 20 ·
Undergrad Calculating Probability of Sixth Die Face on Nth Consecutive Throw
- LittleWolf
- · Replies 13 ·
Graduate Is the Intersection of a Sequence in a Sigma-Algebra Also in the Sigma-Algebra?
- Zaare
- · Replies 2 ·
Graduate Definitions in terms of truth-functions
- honestrosewater
- · Replies 17 ·
Undergrad What is the conditional probability of P(X > 0.2 | X < 0.6)?
- splitendz
- · Replies 2 ·
Undergrad Method of moments and integration
- semidevil
- · Replies 1 ·
High School Four tires to mount on a car these can be mounted
- TSN79
- · Replies 3 ·
Graduate How can I improve my understanding of Maximum Likelihood estimators?
- benji84
- · Replies 2 ·