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.
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Counting length-8 strings from {w,x,y,z} starting with w or y and containing x
- shamieh
- · Replies 2 ·
High School Why does multiplying by 100 convert a fraction to a percentage?
- Cliff Hanley
- · Replies 11 ·
Prior probability distributions
- lotharson
- · Replies 1 ·
Graduate Looking for a Better Textbook on Set Theory?
- robertjford80
- · Replies 6 ·
Graduate Which Fit Should Be Chosen When Goodness of Fit Values Are Close?
- ChrisVer
- · Replies 3 ·
Graduate How to Prove (∀x)(A→B) ≡ ((∃x)A) → B Using First-Order Logic
- programmer123
- · Replies 23 ·
Graduate What does a bounded ratio of regional mass means tell us?
- stvoffutt
- · Replies 1 ·
High School Converting Earth-Sun distance and planetary masses to scientific notation
- Cliff Hanley
- · Replies 1 ·
Undergrad Error Calc for Rabbit Feed Measurement
- desquee
- · Replies 11 ·
Show at least one of the inequality must be true
- anemone
- · Replies 1 ·
Undergrad Determining Optimal Moving Average Period for Cyclical Sales
- Hodgey8806
- · Replies 3 ·
Undergrad Joint distribution of independent uniform random variables on [0,1]
- loveinla
- · Replies 2 ·
Graduate What is wrong with this inequality?
- EngWiPy
- · Replies 8 ·
Determine the best price for a amusement ride
- JessicaDay
- · Replies 1 ·
Undergrad What software for optimization surface of 4 parameters?
- Tosh5457
- · Replies 4 ·
Undergrad Items are given a fixed probability of selection per trial
- benorin
- · Replies 6 ·
How to Prove that |x-y|≤3k Given |x-3|≤k and |y-3|≤2k in Algebra?
- Albert1
- · Replies 1 ·
Graduate Can a Chi2 test be used on uniform p test results?
- Paul Uszak
- · Replies 4 ·
Undergrad Why can you list all positive fractions if there's no smallest?
- Thecla
- · Replies 27 ·
Random Graphs: Helping Paula Understand Discrete Math
- Epaulaland
- · Replies 1 ·
Which is Greater: $\log_9 25$ or $\log_4 9$?
- anemone
- · Replies 3 ·
Graduate How Can We Prove the Probability Formula for a Two-State System?
- anachin6000
- · Replies 3 ·
Graduate Standard Deviation with Paired Values
- Roo2
- · Replies 1 ·
Undergrad Solving Megastat Problems: Confidence Level Issues
- KristofferGade
- · Replies 1 ·
See if you can create a valid answer
- Yuugen0127
- · Replies 2 ·
Graduate Obtaining standard deviation of a linear regression intercep
- Roo2
- · Replies 3 ·
Undergrad Deciding Diminishing Returns based on Data (Regression)
- WWGD
- · Replies 2 ·
Undergrad Linear Regression with Many y for each x
- WWGD
- · Replies 2 ·
Graduate Error propagation when using modulus operator
- TheCanadian
- · Replies 5 ·
Graduate Best visualization of joint/marginal distributions?
- nycixc
- · Replies 1 ·
Graduate Can IESDS Determine the Nash Equilibrium in a Game?
- Issam2204
- · Replies 2 ·
Graduate Are set theory functions sets too?
- The UPC P
- · Replies 2 ·
Graduate About probability of crossing a circle circumference by a needle
- Adel Makram
- · Replies 7 ·
Graduate How do I calculate an area of joint uniform distribution with domain
- mattclgn
- · Replies 3 ·
Is Max A $\le$ Sup B for A $\subseteq$ B?
- ozkan12
- · Replies 1 ·
High School Set builder notation: is it ever used?
- JR Sauerland
- · Replies 3 ·
Find the number of arrangements possible
- Amad27
- · Replies 4 ·
Graduate Chernoff Bound for Binomial Distribution
- EngWiPy
- · Replies 1 ·
Cartesian Product of Non-Real Sets
- Dethrone
- · Replies 4 ·
Undergrad Can Mathematical Patterns Predict Changes in Numbers on Game Sheets?
- Skyline69
- · Replies 7 ·
Undergrad Population proportion from a sample estimate
- Adel Makram
- · Replies 23 ·
Change of bases with log tables
- cbarker1
- · Replies 3 ·
Graduate Computing the standard deviation in y
- TheCanadian
- · Replies 4 ·
Graduate Separating background data from expected data
- majormuss
- · Replies 3 ·
Graduate Lower Bound on Binomial Distribution
- EngWiPy
- · Replies 15 ·
Graduate Is the Marginal CDF of X Correctly Defined with Two Random Variables?
- zli034
- · Replies 4 ·
Graduate Unit circle derived distribution
- rabbed
- · Replies 15 ·
Graduate What is a Chi-Squared Test Against Weighted Mean?
- majormuss
- · Replies 2 ·
High School When do you begin to prove? which maths lead to proofs?
- ilii
- · Replies 6 ·
Graduate Is Discarding the Higher Random Number in a Stochastic Queue Simulation Correct?
- maka89
- · Replies 4 ·
Percentage in Commission Calculation Issue
- mitsu
- · Replies 2 ·
How can I generate a complex loan ammortization schedule with specified figures?
- dzweber
- · Replies 3 ·
Graduate Poisson process quadratic variation vs direct calculation of E[Nt²]
- ssyldy
- · Replies 7 ·
Undergrad Industrial Event Takt Times (production cycle times) and Probability
- SSGD
- · Replies 3 ·
Graduate Find Function/Transform for signal that minimizes CV of data
- johnpjust
- · Replies 3 ·
Graduate Separate noise from signal if I know the noise
- eoghan
- · Replies 1 ·
Can paired samples compare population standard deviations?
- sf0
- · Replies 13 ·
Proving Independence of Axioms in Game Theory: A Case Study
- crobertson0308
- · Replies 5 ·
Graduate Bertrand Paradox Method-1 and Method-2 may be equal
- Adel Makram
- · Replies 5 ·
Graduate Separating gamma-ray signals from background
- majormuss
- · Replies 4 ·
Standard deviation, raw score etc
- saharalynne
- · Replies 1 ·
Graduate Calculating Signal/Background Events in N Events
- touqra
- · Replies 1 ·
Finding Method of Moments Estimates for Uniform Distribution Parameters
- das1
- · Replies 2 ·
Undergrad Why does random data form a bell curve?
- thetexan
- · Replies 6 ·
Graduate Combinations of measurements: obtain mean and errors
- ChrisVer
- · Replies 4 ·
Graduate Finding which variables influence an endpoint in multivariate data
- lavoisier
- · Replies 7 ·
Graduate Probability of a player winning a best of 7
- disregardthat
- · Replies 3 ·
How do I test for equivalence in gene expression between groups?
- awkwardsilence
- · Replies 1 ·
Probability of 5-card hands with single or multiple suits
- cbarker1
- · Replies 3 ·
Undergrad Questions regarding the mathematics used in linked paper
- EverGreen1231
- · Replies 2 ·
What Is the Probability of Guessing Correctly on a Multiple Choice Test?
- Amad27
- · Replies 3 ·
Undergrad DeMorgan's Law extended to Union AND Intersection
- SpaceDomain
- · Replies 2 ·
High School Rules for working with approximation data
- shuxue
- · Replies 1 ·
What are the odds of rolling 4, 5, 6, and 7 of a kind with 7 dice?
- Peterconfused
- · Replies 8 ·
Sampling distribution of a statistic
- das1
- · Replies 6 ·
Undergrad Problem in Geometric Probability
- Arka
- · Replies 7 ·
Unsure what kind of hypothesis test to use
- das1
- · Replies 2 ·
Undergrad Relation between log function and its characteristic g
- elliti123
- · Replies 4 ·
Graduate How to calculate Standard Error for unequal sample sizes
- RichS
- · Replies 25 ·
Undergrad What are the odds of getting a quad aces + royal flush in a Texas Hold'em game?
- Warp
- · Replies 12 ·
High School Birthday Probability: 73rd Grandchild Out of 85
- amazane73
- · Replies 1 ·
How Many Polarizing Sheets Are Needed to Rotate Light 90 Degrees?
- bberns
- · Replies 1 ·
Graduate Integral in Gardiner's book on stochastic methods
- eoghan
- · Replies 2 ·
Graduate Deduction of Gauss' Normal Distribution Function
- davidsousarj
- · Replies 7 ·
Graduate Infimum and supremum of empty set
- strobeda
- · Replies 2 ·
Graduate What is the exact definition of equality?
- "Don't panic!"
- · Replies 22 ·
Undergrad Are functions partly defined by their domains and codomains?
- Jon Seymore
- · Replies 11 ·
Graduate If X(t) is gaussian process, How about X(2t)?
- hojoon yang
- · Replies 12 ·
Graduate Why Do Nonlinear Functions Often Lead to Non-Convex Cost Functions?
- pamparana
- · Replies 1 ·
Undergrad (a C b) and (b C a) implies a=b?
- David Carroll
- · Replies 7 ·
Graduate Agreement between diagnostic tests controlled for raters
- Adel Makram
- · Replies 5 ·
Graduate Proving the expectation formula as n approaches infinity
- feryee
- · Replies 4 ·
High School How to do basic statistical analysis?
- semidevil
- · Replies 8 ·
How much more flexible is a $10/$90 budget split than $50/$50?
- clock245
- · Replies 1 ·
High School Is everyday 'or' actually exclusive or?
- jk22
- · Replies 10 ·
Getting variance from known correlation
- das1
- · Replies 4 ·
Graduate How to convert a univariate distribution to bivariate distribution
- samrah
- · Replies 5 ·
Graduate Are 2D random walks on triangular lattice and continuous directions recurrent?
- davidmoore63@y
- · Replies 6 ·
Graduate Best goodness of fit test for low expected values
- MathewsMD
- · Replies 11 ·
Countable Chains of Subsets in an Infinite Set
- evinda
- · Replies 25 ·