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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Undergrad Odds of losing 50 coin flips in a row and martingale betting
- Tehepidemick
- · Replies 6 ·
Graduate Want to (roughly) predict future behavior of a system
- oneamp
- · Replies 3 ·
Use algebraic manipulation to prove the distributivity property
- shamieh
- · Replies 1 ·
Is x + xz = xz in Boolean Algebra?
- shamieh
- · Replies 1 ·
Graduate Numerical Integration of Langevin Equation
- dsdsuster
- · Replies 2 ·
Graduate Non-standard choices for confidence intervals
- VantagePoint72
- · Replies 3 ·
Undergrad Derivation of the exponential distribution - that infinitesimal
- thomas49th
- · Replies 5 ·
Undergrad Unique combinations in a set.(+)
- Solumsen
- · Replies 2 ·
Undergrad How Do You Determine Conditional Probabilities in Practical Scenarios?
- Retro95
- · Replies 2 ·
Continuous probability distribution
- JamieLam
- · Replies 6 ·
Graduate Formalizing Euclidean geometry without notation
- robertjford80
- · Replies 18 ·
Graduate Do I need Peano arithmetic to understand logic and math?
- robertjford80
- · Replies 2 ·
Graduate Conditional probability for normally R.V
- ehudwe
- · Replies 4 ·
Undergrad Coin flipping to get a random digit
- Zafa Pi
- · Replies 6 ·
Graduate How does the probability space formalize Markov chain transitions?
- bobby2k
- · Replies 14 ·
Graduate Does Godel's theorem imply mathematics is more than logic?
- nonequilibrium
- · Replies 3 ·
Graduate Can the Sum of Natural Numbers Really Be -1/12?
- Brucezhou
- · Replies 1 ·
Calculating Power for a Study: Population µ = 100, σ = 20
- TrielaM
- · Replies 3 ·
Undergrad Likelihood of pairs in a range?
- derrend
- · Replies 3 ·
Graduate How to have better discrete math insight
- hihiip201
- · Replies 2 ·
Is \mathcal{P}(A)\times\mathcal{P}(A) Equinumerous with \mathcal{P}(A)?
- Andrei1
- · Replies 2 ·
High School Removing parts of a line (literally)
- member 428835
- · Replies 1 ·
Undergrad Normal distribution and proportions of out-of-spec bottles
- Fady Alphons
- · Replies 4 ·
Why do the subsets in a partition have to be nonempty?
- Ragnarok7
- · Replies 5 ·
Good High-School Level Text for Probability and Statistics
- Ackbach
- · Replies 8 ·
How can I divide s into uvxyz for the Pumping Lemma?
- mathmari
- · Replies 16 ·
Graduate Confidence Interval for Coefficient of Quadratic Fit
- Office_Shredder
- · Replies 2 ·
Graduate Generalized mathematical induction
- Dog1
- · Replies 8 ·
More Permutation and Combination questions
- nickar1172
- · Replies 1 ·
Finding probabilities for high BP and heart trouble with given percentages
- nickar1172
- · Replies 4 ·
Undergrad Best textbook for learning about ordinal numbers
- vinven7
- · Replies 1 ·
Undergrad Z-score to Percentile Rank Formula?
- The Head
- · Replies 3 ·
Can the premise P∨Q be ignored in a propositional logic proof?
- Guest2
- · Replies 1 ·
Undergrad Degree of freedom and formula for standard variation
- Nikitin
- · Replies 9 ·
How do I find the variance and what is the answer to the question?
- AoKai
- · Replies 6 ·
Proving $(\neg P \to \neg Q) \to (Q \to P)$ in PL
- Guest2
- · Replies 10 ·
Find floor of a_100000 for recurrence a_1=1, a_{n+1}=a_n+1/a_n
- anemone
- · Replies 9 ·
Graduate Confusion over Axiom of Choice.
- QIsReluctant
- · Replies 6 ·
High School Finding which number travels 1km fastest given three data points
- acapro
- · Replies 19 ·
YouTube channel covering introductory statistics and probability
- Ingersoll
- · Replies 3 ·
Undergrad Confidence Interval for Population Mean (μ): Known vs Unknown σ
- onceinalifetim
- · Replies 4 ·
Undergrad Interpretation Of Statistic: smoker mortality/total smokers = 1/5 ?
- Point Conception
- · Replies 3 ·
Undergrad How Many 4-Digit Numbers Have at Least One 5 or 7?
- z.js
- · Replies 1 ·
Undergrad Are Turing's and Godel's theorems the same thing?
- epenguin
- · Replies 9 ·
Defining D_x for equinumerous function spaces
- Andrei1
- · Replies 8 ·
Undergrad Mathematical Model needed for new product.
- JAE1XINMD
- · Replies 4 ·
Undergrad Odds versus number of draws to get 6 of 72 items
- rcgldr
- · Replies 5 ·
Graduate Statistical assessment of the quality of event detention
- StarWars
- · Replies 3 ·
Undergrad Group theory resource for inorganic chemistry without algebra background
- LogicX
- · Replies 14 ·
Graduate Is Modus Ponens Applicable in Logical Deductions Involving Quantifiers?
- darkchild
- · Replies 2 ·
Met Office mean average temperatures and margin of error
- UncleBucket
- · Replies 6 ·
Graduate Can Dedekind cuts produce an uncountable set of real numbers?
- cragar
- · Replies 2 ·
Bivariate discrete random variable
- Yankel
- · Replies 1 ·
Undergrad Looking for text on stochastic processes
- Gridvvk
- · Replies 5 ·
Suits but no values - (a card game, not a law firm description)
- ctswitzer
- · Replies 4 ·
Graduate Morse-Kelley Class Comprehension axiom and Russell's paradox
- nomadreid
- · Replies 1 ·
Graduate Are All Axiomatic Systems Incomplete According to Gödel's Theorem?
- baker0
- · Replies 18 ·
Graduate What is the Probability of Running Out of Coins in a Flipping Game?
- Office_Shredder
- · Replies 10 ·
Undergrad Statistical oods and exisitance
- Gmanme
- · Replies 2 ·
Undergrad Is an OLS regression model with R² = 0.40 reliable for forecasting?
- musicgold
- · Replies 8 ·
Undergrad Do Past, Unrelated Events Affect Future Probabilities?
- Jow
- · Replies 15 ·
High School Odd Number Possibilities with a Die: 50% (2 Rolls)
- Hepic
- · Replies 5 ·
Path between vertices with no non-adjacent edges in connected graphs
- mathmari
- · Replies 9 ·
Graduate CDF of correlated mixed random variables
- nikozm
- · Replies 9 ·
Graduate What Determines the Probability of Playing Coin Flips Indefinitely?
- Office_Shredder
- · Replies 27 ·
Undergrad Hypothesis testing for std. deviation (SD)
- musicgold
- · Replies 3 ·
Graduate Sum of IID random variables and MGF of normal distribution
- Luna=Luna
- · Replies 1 ·
Graduate Simultaneous primality and Dirichlet's Theorem on Arthm. Progressions?
- tuttlerice
- · Replies 3 ·
Do I have to use n = 4 in the formula?
- evinda
- · Replies 2 ·
High School Conditional Statements only if.
- embphysics
- · Replies 12 ·
Randomly choosing job applicants
- nickar1172
- · Replies 2 ·
Graduate Is it possible to prove that Pi is a normal number?
- 7777777
- · Replies 29 ·
Prove that A\B=C when A=B∪C and B∩C=∅
- Violet1
- · Replies 4 ·
Graduate For all S, for all a in S, |a|<>|S|. Proof?
- nomadreid
- · Replies 6 ·
Undergrad What is the PDF of z where z = x-y
- nikozm
- · Replies 5 ·
Yes, this is correct. The answer is 1.3 x 10-8, or 0.000000013%.
- bergausstein
- · Replies 3 ·
Is the Statement True or False?
- skate_nerd
- · Replies 2 ·
4-member committee from 4 grades with 2 reps each
- Raerin
- · Replies 3 ·
Graduate What is the Expectation of (aX-bY)?
- nikozm
- · Replies 5 ·
Jeffrrey's question at Yahoo Answers regarding binomial expansion
- MarkFL
- · Replies 1 ·
Graduate Combining loosely correlated data set
- RobbieM.
- · Replies 1 ·
Graduate Trying to understand an expression in Peano's Principia Arithmetices
- Nick O
- · Replies 1 ·
Graduate Maximum likehood fonction for LPPL ?
- opuntia83
- · Replies 1 ·
Undergrad How to generally express a shifted PDF ?
- nikozm
- · Replies 1 ·
Standard deviation for proportions
- Zues
- · Replies 5 ·
Is A∩(B\C) = (A∩B)\C = B∩(A\C)?
- Fermat1
- · Replies 2 ·
Data Normalization Methods: Understanding and Choosing the Right One
- aruwin
- · Replies 3 ·
Solving using Chebyshev's theorem
- nickar1172
- · Replies 1 ·
Compound bar chart - to round or not to round? (percentages)
- 3vo
- · Replies 1 ·
Undergrad Which normalization methods should I use for this data
- MissP.25_5
- · Replies 6 ·
Graduate Mathematics to be simply an extension of logic
- Nile3
- · Replies 38 ·
Undergrad What is the rigorous definition of set?
- guitarphysics
- · Replies 8 ·
How many ways can equal number of men and women line up for a photo?
- find_the_fun
- · Replies 1 ·
Logic, proving theorem in formal system K
- Barioth
- · Replies 1 ·
Graduate Testing regression model with F-test
- Phoeniyx
- · Replies 2 ·
Graduate Covariance matrix does not always exist?
- Phoeniyx
- · Replies 3 ·
Which is better? Mean with standard deviation or Median with IQR?
- 3vo
- · Replies 4 ·
Where is the mistake in this formal proof?
- solakis1
- · Replies 2 ·
Problem with averages and standard deviation.
- nickar1172
- · Replies 13 ·