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High School How Many Combinations Are Possible in Arby's 5 for $5.95 Deal?
- sk381
- · Replies 12 ·
Graduate Function Mapping to Open Intervals
- linuxux
- · Replies 10 ·
Graduate Finding covariance between dependent normal variables without knowing correlation
- jimmy1
- · Replies 7 ·
Graduate Sum of Correlated Exponential RVs
- tpkay
- · Replies 1 ·
Undergrad Jarque-Bera Test: Chi-Square Distribution Table
- kimberley
- · Replies 2 ·
Graduate Multivariate Exponential distribution
- tpkay
- · Replies 1 ·
Graduate IQ scores and normal distributions
- polomint
- · Replies 8 ·
Undergrad How do you prove things with null
- pwhitey86
- · Replies 2 ·
Graduate Proving Vacuous Quantification in First-Order Logic
- Manchot
- · Replies 3 ·
Graduate How does arranging ℕ in a 2-D array prove the countable union theorem?
- linuxux
- · Replies 16 ·
Undergrad Calculating Fraction of Alcohol in Water-Alcohol Mixtures
- lLovePhysics
- · Replies 6 ·
Undergrad Is this proof by contradiction for A∩B = ∅ ⟺ A ⊆ Bᶜ valid?
- pwhitey86
- · Replies 4 ·
Undergrad Permutations and arranging order
- Pavel
- · Replies 3 ·
Undergrad A Cuestion on formal fallacies
- Leo Duluc
- · Replies 3 ·
Undergrad What are superadditivity and imputation in n-person game theory?
- bigjoe5263
- · Replies 3 ·
Undergrad Notation for inverse image vs image of inverse function
- quantum123
- · Replies 10 ·
Undergrad Correct Notation for Intersections of Real Numbers Sets
- danago
- · Replies 3 ·
High School What is the probability of a person born in leap year
- j_mohana6
- · Replies 11 ·
Graduate What does a big inverted V symbol mean in deontic logic?
- EvLer
- · Replies 3 ·
Graduate 3D arithmetic sequences from magic squares and cubes
- Qaiser Raza
- · Replies 1 ·
Undergrad Combinatorics Redux Followup: 2 Same, 1 Different Toppings on 3 Pizzas
- sk381
- · Replies 2 ·
High School One more combinatorics question
- sk381
- · Replies 4 ·
Graduate Treating Propagation of Errors in $R^n$ to $R^m$ Transformations
- MaartenB
- · Replies 1 ·
Undergrad Variation of the coupon problem
- Smitz
- · Replies 1 ·
Undergrad Words from {1,...,k} where 1 appears an even number of times
- MathematicalPhysicist
- · Replies 5 ·
Graduate Permutations on 3n Terms and Conditions: Calculating Total Possibilities
- MathematicalPhysicist
- · Replies 8 ·
Undergrad Rational and Irrational Number Set proof.
- linuxux
- · Replies 4 ·
Graduate Can You Estimate Parameters for a Non-Closed Form Probability Distribution?
- jimmy1
- · Replies 3 ·
Undergrad Is a gaussian distribution 'like a sine wave'
- leright
- · Replies 8 ·
Undergrad Second opinion for an Index Problem
- JudasIscariot
- · Replies 2 ·
Undergrad Calculate the probability for 2 different digits in 4 cells.
- yevi
- · Replies 4 ·
Graduate Does E(X / Y) = E(X) * E(1 / Y) ?
- DLS
- · Replies 7 ·
Graduate Uptime of Successful Event in 60s Experiments
- Nasta
- · Replies 5 ·
Graduate Induction Limitations in Proving Countable Sets: Understanding Analysis
- linuxux
- · Replies 4 ·
High School Probability of rolling a 6 on the second roll of a die
- Guttersnipe
- · Replies 5 ·
Undergrad Wich test for few events statistic
- luxio
- · Replies 1 ·
Graduate Creating fractals from nothing?
- Coolphreak
- · Replies 1 ·
Graduate Proving the standard deviation approximation for functions of normal variables
- daudaudaudau
- · Replies 6 ·
Graduate What Are Surreal Numbers and Their Binary Expansion?
- jambaugh
- · Replies 14 ·
Graduate What Are the Different Orders of Infinity and How Do They Compare?
- Unicyclist
- · Replies 22 ·
High School Identify four balls weighing 1, 2, 3 and 4 kg using scales three times
- haiha
- · Replies 25 ·
High School Probability of drawing the same card twice from 25-card deck
- troloc
- · Replies 13 ·
Undergrad Statistical Test for Differences Between Groups with Varying Sizes
- Yann
- · Replies 3 ·
Undergrad Probability and simultaneous sampling/selecting
- kakab00
- · Replies 6 ·
Graduate When are 2 models comparable using an F Test?
- David Laz
- · Replies 3 ·
Undergrad Designing an Equitable Points System for Ranking Sports Teams in Tournaments
- Pfeff
- · Replies 2 ·
Undergrad Solve Logic Problem Using Pigeonhole Principle
- chem3
- · Replies 4 ·
High School Calculating Probability of Withdrawing 3 Discs in Any Order
- Joza
- · Replies 1 ·
Undergrad Is the standard deviation of products s_XY = s_X ȳ + s_Y x̄?
- amcavoy
- · Replies 4 ·
Graduate Sports Illustrated Jinx : Regression to the Mean
- kimberley
- · Replies 6 ·
Graduate Empirical tests on DNA sequence
- yevi
- · Replies 50 ·
Undergrad Discrete and continuous problems
- haiha
- · Replies 3 ·
Undergrad Zinc difecient Mother and birth weight problem
- famtrecrew
- · Replies 1 ·
Undergrad Proving Equivalence Relations with a Given Condition
- Dream
- · Replies 8 ·
Graduate Showing that the following isn't complete
- Palindrom
- · Replies 2 ·
Undergrad How do I find the equivalent statement to the statement ~(p -> ~q)
- MiffedMFG1106St
- · Replies 6 ·
Graduate How Does Halmos Generalize the Cartesian Product in Set Theory?
- dmuthuk
- · Replies 9 ·
Graduate Calculating Conditional Expectation for Continuous and Discrete Random Vectors
- dror_l
- · Replies 1 ·
Graduate Is There a Closed Form for This Recursive Probability Function?
- CRGreathouse
- · Replies 1 ·
Undergrad Gambling problem/ standard deviation
- misu200
- · Replies 3 ·
Graduate Is the Axiom of the Power Set Redundant in Set Theory?
- dmuthuk
- · Replies 25 ·
High School How Many Socks Must a Blind Man Take to Guarantee a Matching Pair?
- tommybell
- · Replies 5 ·
Graduate Homework on representability and Gödel's incompleteness theorems
- spenx01
- · Replies 2 ·
Graduate Weighting skewness and kurtosis by sample size to find most normal sample
- kimberley
- · Replies 3 ·
Graduate Can dice rolls produce fractional results between integer values?
- DaveC426913
- · Replies 6 ·
Undergrad What is the Probability of a Coin Toss Avoiding Lines in 2D Cartesian Plane?
- Mr.IITIAN007
- · Replies 2 ·
Undergrad Chop a stick randomly into three pieces, Probablity
- Ahmed Abdullah
- · Replies 2 ·
Graduate Transcendentals and definability
- daithi
- · Replies 9 ·
Undergrad Should You Swap or Stick in Deal or No Deal?
- Simon 6
- · Replies 11 ·
Undergrad Variance and goodness of fit tests
- bioman
- · Replies 3 ·
Undergrad How many acyclic graphs can be formed with n+1 vertices?
- pixel01
- · Replies 4 ·
High School Real-world applications of difference equations, permutations and probability
- superKid
- · Replies 2 ·
Graduate Calculating Mean and Variance of a Ratio of Gamma-Distributed Random Variables
- jimmy1
- · Replies 10 ·
Undergrad How to calculate confidence limits in bernoulli trials with only one outcome.
- azira
- · Replies 1 ·
Undergrad When not to use the Student t test?
- Monique
- · Replies 1 ·
Graduate Finding initial probability vector from one Markov chain sequence
- celestra
- · Replies 11 ·
Graduate Set Theory to Show Transcendental Numbers Exists
- ashnicholls
- · Replies 22 ·
Undergrad A not false statement is equivalent to a true statement.
- Shing
- · Replies 2 ·
Undergrad Finding standard deviation of washer weights from normal distribution
- lando45
- · Replies 1 ·
Undergrad Testing if smaller syringes produce higher negative pressure with Student's t test
- madpsychic
- · Replies 1 ·
Undergrad Is the product of two linear codes linear?
- ashnicholls
- · Replies 4 ·
Undergrad Calculating Probability for Repeated Numbers in Random Number Generation
- Physics_wiz
- · Replies 4 ·
Graduate Would measures like skewness or kurtosis magnify uncertainty?
- JoAuSc
- · Replies 11 ·
Undergrad How Do You Solve a Poisson Distribution Problem Where 3P(X=1)=P(X=2)?
- tiger2380
- · Replies 2 ·
Graduate A question in combinatorics. (perhaps implementation of the pigeon hole principle).
- MathematicalPhysicist
- · Replies 9 ·
Graduate Statistics and the Kennedy Assassination witnesses
- Andrew Mason
- · Replies 19 ·
Graduate What is the best approach for calculating long-term probability using a PDF?
- Drewau2005
- · Replies 2 ·
Graduate How Do You Model a Random Variable with Random Parameters in Its Distribution?
- matfor
- · Replies 4 ·
Graduate How to Calculate E(XY) for Random Variables X and Y?
- bioman
- · Replies 9 ·
Graduate Calculating E[B(u) B(u+v) B(u+v+w)] with Brownian Motion
- wu_weidong
- · Replies 2 ·
Graduate Understanding Brownian Motion with Weiner Integral and Delta Functions
- tpm
- · Replies 2 ·
Undergrad Can all logic be expressed as mathematical equations?
- cannafield
- · Replies 1 ·
Graduate Estimating p-value for Wilcoxon Signed-Rank Test
- Ford
- · Replies 1 ·
Undergrad Dice problem that I can't fully get my head around
- waterchan
- · Replies 15 ·
Graduate Calculating Conditional Beta Distribution with Binomial Parameters
- jimmy1
- · Replies 3 ·
Undergrad Computing Type 1 Error Rate for Coin Test
- EvLer
- · Replies 1 ·
Undergrad Sets of numbers and Gaussian distribution
- Rothiemurchus
- · Replies 2 ·
Graduate How Does Gender Interaction with Experience Affect Salary Differences?
- statsfanatic
- · Replies 1 ·
Graduate Generating function expectation
- jimmy1
- · Replies 1 ·
Undergrad Is Gender Linked to Brand Preferences According to Chi-Square Analysis?
- sumans
- · Replies 1 ·