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.
Threads
High School Proof that non-integer root of an integer is irrational
- Swamp Thing
- · Replies 10 ·
Undergrad Rejecting a null hypothesis without a z-score or p-value?
- CynicusRex
- · Replies 7 ·
Undergrad Semi ln plot- uncertainty estimation
- Imperatore
- · Replies 4 ·
Undergrad Notation for cardinality using the # symbol
- DaTario
- · Replies 5 ·
Prove A minus B Intersect C Equals A minus B Union A minus C
- Princess Shaina
- · Replies 4 ·
Undergrad Standard notation needed for binary numbers as exponents
- coolul007
- · Replies 9 ·
High School Linear regression with two data sets?
- Josh Terrill
- · Replies 4 ·
Undergrad Using interpolation to calculate p-values from t-table?
- tomizzo
- · Replies 2 ·
Undergrad What assumptions should I start with in a proof?
- Obliv
- · Replies 6 ·
Stratified Sampling: Sample Size from Greslow High
- alpacalrh
- · Replies 4 ·
Undergrad Sum of Probability Density Function > 1?
- NatFex
- · Replies 11 ·
Graduate Using probability to predict my sales amount
- semidevil
- · Replies 3 ·
Propositional Calculus: Is Algebra's Problem-Solver? Example
- solakis1
- · Replies 4 ·
Undergrad Poisson process approximation error
- CynicusRex
- · Replies 4 ·
Graduate Using Metropolis-Hastings for Sampling from a CDF
- rabbed
- · Replies 9 ·
Undergrad Discrete Random Vectors vs. Continuous Random Vectors
- zr95
- · Replies 2 ·
What Do Q1 and Q3 Represent in a Data Set?
- elove
- · Replies 1 ·
Two-tailed Test: Rejecting the Null at 0.05 Level of Significance
- elove
- · Replies 2 ·
Percentages of success in basketball
- Yankel
- · Replies 2 ·
Margin of error and point estimate together
- aprilryan
- · Replies 1 ·
Empirical rule calculator command
- aprilryan
- · Replies 4 ·
Probability of 3 A's and 2 B's in 5 machine draws
- oriel1
- · Replies 3 ·
Undergrad What Is the Probability of Rolling Pairs That Sum to Seven with n Dice?
- goraemon
- · Replies 5 ·
Graduate Radially distributed Cartesian coordinates
- rabbed
- · Replies 11 ·
Undergrad Prove Logical Equivalence of P->(Q or R)
- The Subject
- · Replies 2 ·
Undergrad Game Theory: Strategy for game with non-square payoff matrix
- Wminus
- · Replies 2 ·
Graduate Smoothness of a value function with discontinuous parameters
- economicsnerd
- · Replies 1 ·
Undergrad How Does the Distributive Law Simplify Logical Expressions?
- The Subject
- · Replies 2 ·
Undergrad Mutual information between two time series.
- Prakhar Godara
- · Replies 3 ·
Undergrad Volatility of investment (/w currency hedging)
- egikm
- · Replies 2 ·
Graduate Generate Time Series with specific ACF and multiple LAG
- Xcode
- · Replies 1 ·
Solving a Confusing Word Problem: Measuring Justice After Court
- elove
- · Replies 1 ·
Question in Landau's Foundations of Analysis
- Ackbach
- · Replies 11 ·
High School Finding error in code probability with 3 letters and 2 digits
- little neutrino
- · Replies 6 ·
Creating theorems from the given axioms
- dezzi1
- · Replies 1 ·
How Does Cigarette Consumption Relate to Heart Disease Deaths?
- aprilryan
- · Replies 3 ·
Undergrad Can Conditional Probability Be Solved Generally with PDFs of Variables?
- rabbed
- · Replies 3 ·
On induction as you kindly requested (detailed)
- sarrah1
- · Replies 3 ·
Undergrad Combined measurement uncertainty for mass computation
- JotWe
- · Replies 13 ·
Bernoulli Trials and Probability
- lucytranxx
- · Replies 1 ·
Ping-pong tournament scheduling with 8 contestants and pairing constraints
- flashback
- · Replies 14 ·
Graduate Reproducing n_x and f_x values from Chandola et al. categorical data paper
- ZPlayer
- · Replies 1 ·
Proving ${\psi}_{n}(x)\le F(n)$ by Induction
- sarrah1
- · Replies 1 ·
Undergrad Fitting a periodic function to data over [0,π]
- ftft
- · Replies 3 ·
Graduate Recovering the pdf of X from Z = X+Y when X and Y are IID
- ecneicScience
- · Replies 11 ·
Graduate Information contained in minimum value of truncated distribution
- estebanox
- · Replies 10 ·
Calculate Capitalised Cost for Perpetual Service in PrivaPower Ltd
- waptrick
- · Replies 1 ·
Show Inequality: Explain Why $g(k) \geq \frac{3^k}{2k+1}$ in Football Matches
- evinda
- · Replies 7 ·
Group Theory: A Powerful Tool for Real World Solutions
- matqkks
- · Replies 1 ·
Combinatorics problem. Discrete Mathematics II
- Mei1
- · Replies 2 ·
What is the Probability of Getting Three Heads in 30 Coin Tosses?
- ThunderWolf2016
- · Replies 3 ·
Undergrad How can we increase the second moment (moment of inertia) in a physical system?
- KFC
- · Replies 2 ·
High School $20000 at $0.20 martingale betting
- iDimension
- · Replies 5 ·
High School What are the odds of getting a number on a hypothetical infinity sided dye?
- KarminValso1724
- · Replies 13 ·
95% Confidence Interval for Staying Awake at UMUC
- elove
- · Replies 2 ·
Undergrad Percentiles and quartiles in the same graph
- xeon123
- · Replies 1 ·
Undergrad Error bars for gradients from repeated volume measurements
- K41
- · Replies 2 ·
Undergrad Why is the joint PDF 1/(4πK³) for uniform sphere sampling?
- rabbed
- · Replies 13 ·
Graduate Deriving the standard normal distribution
- rabbed
- · Replies 4 ·
Undergrad Log(0.0058) is -2.23657, integral part is -2 but not -3
- prashant singh
- · Replies 6 ·
Undergrad How Do Supremum and Infimum Relate When s < t for All s in S and t in T?
- wang jia le
- · Replies 2 ·
Pattern description: powers of a negative number
- samir
- · Replies 3 ·
Expected value of game show prize choices
- elove
- · Replies 4 ·
Undergrad A logical problem for math whizzes
- DavidReishi
- · Replies 12 ·
Undergrad Are Classical Design of Experiments Models Too Limited for Modern Needs?
- DrDu
- · Replies 4 ·
Is R an Identity Relation on A?
- oriel1
- · Replies 4 ·
What is the net present value of annual maintenance cost for a delivery vehicle?
- waptrick
- · Replies 1 ·
Undergrad Approximating and regression method
- Iqbal94
- · Replies 1 ·
TI-83 normalcdf and invNorm with large income values
- aprilryan
- · Replies 6 ·
Undergrad Randomness as a function of the observer's knowledge
- N123
- · Replies 2 ·
What Are the Odds of All Canadian NHL Teams Missing the Playoffs?
- A Rolfson
- · Replies 1 ·
What is the Probability of Knee Problems Requiring Full Knee Replacement?
- pckofwolfs
- · Replies 9 ·
Undergrad What's The Discrete Math Derivative Equivalent?
- iScience
- · Replies 1 ·
Choosing a 5-person dissertation committee with a mathematician chair
- elove
- · Replies 13 ·
Undergrad Supremum inside and outside a probability
- Portella
- · Replies 15 ·
How to Calculate the Future Value of Geometric Annual Annuity?
- waptrick
- · Replies 30 ·
Is My Application of the Neyman-Pearson Lemma Correct?
- mathjam0990
- · Replies 1 ·
Does Conditional Probability Increase with Dependence?
- mathmari
- · Replies 4 ·
Graduate Somewhat difficult set theory proof
- mbs
- · Replies 6 ·
Graduate Is this product always greater than these sums?
- JFGariepy
- · Replies 10 ·
Undergrad Joint Density of (X,Y) from R_PDF(r),V_PDF(v)
- rabbed
- · Replies 2 ·
Binomial Experiments: Find Probability of x=5, x>=6, x<4
- aprilryan
- · Replies 2 ·
Undergrad Uncertainty in Scale Measurement
- tangodirt
- · Replies 1 ·
Undergrad As time goes on, a given event becomes less and less likely
- nolxiii
- · Replies 11 ·
Undergrad Probability of winning a number range guessing game
- Alanay
- · Replies 8 ·
What is the expected outcome of a pick 3 lotto if a ticket costs $\$2$?
- aprilryan
- · Replies 7 ·
Choosing a ball at random from a randomly selected box
- Sapphireluna
- · Replies 2 ·
Undergrad Can you use proof by contradiction in the midst of induction
- Battlemage!
- · Replies 3 ·
High School How to calculate the uncertainity errors
- hariprasath
- · Replies 10 ·
Undergrad Place pieces on a chessboard randomly until 2 are adjacent
- fluidistic
- · Replies 13 ·
Undergrad Hypergeometric distribution with different distributions
- Hex5f
- · Replies 4 ·
Undergrad How Are Permutations Calculated in a Circular Seating Arrangement?
- Happiness
- · Replies 2 ·
Undergrad Error propagation of exponentials
- TheCanadian
- · Replies 2 ·
Undergrad I finding the EV of the possible outcomes
- Alanay
- · Replies 4 ·
How do you prove that a function is bijective?
- Guest2
- · Replies 2 ·
Undergrad How can any measure of a physical quantity be irrational?
- Kilo Vectors
- · Replies 15 ·
Undergrad What is the difference between a well-defined relation and a function?
- HowToTrainYourDragon
- · Replies 2 ·
High School Calculating Probabilities of a dice roll
- Routaran
- · Replies 1 ·
Graduate The linear in linear least squares regression
- joshthekid
- · Replies 4 ·
Undergrad Why is cf(x) not equal to \aleph_a when x=\aleph_{a} and a is a limit ordinal?
- cragar
- · Replies 2 ·