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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A question related to cardinality and probability
- baiyang11
- · Replies 2 ·
High School How to derive a simple profit equation. Kinda embarrassing.
- AcousticBruce
- · Replies 5 ·
Undergrad Binomial Distribution and the Classical Definition of Probability
- Soumalya
- · Replies 10 ·
Equivalence relation-equivalence classes
- evinda
- · Replies 5 ·
Calculate Relations with Hey! (Nerd)
- evinda
- · Replies 6 ·
What Determines When Two Mathematical Functions Are Equal?
- evinda
- · Replies 1 ·
Does it suffice to show these relations?
- evinda
- · Replies 5 ·
When is the set $B \times B$ a function?
- evinda
- · Replies 11 ·
Define Sets $\{x,y\}$ and $x \cup y$
- evinda
- · Replies 2 ·
Why does the inequality stand if there are no common elements?
- evinda
- · Replies 1 ·
Example for which the relation does not stand
- evinda
- · Replies 1 ·
Why is the identity relation a subset of an equivalence relation?
- evinda
- · Replies 1 ·
What is the meaning of consequence in logic?
- hossam killua
- · Replies 1 ·
Proving Inverse of 1-1 Function $f$
- evinda
- · Replies 1 ·
Example of Set for Relation Restriction to A
- evinda
- · Replies 1 ·
Graduate Does this make sense? A binomial distribution with a twist.
- WendyE
- · Replies 11 ·
How is a Relation a Subset of an Ordered Pair?
- evinda
- · Replies 6 ·
Is the cartesian product associative for three sets?
- evinda
- · Replies 7 ·
Why doesn't it come from a cartesian product of sets?
- evinda
- · Replies 4 ·
Is the Cartesian Product of Two Sets Well-Defined?
- evinda
- · Replies 10 ·
Graduate Is ℝ or ℝ2 Bigger in the Upper Right Quadrant of the Unit Square?
- johann1301
- · Replies 2 ·
Undergrad T-test: normal probability plot
- serbring
- · Replies 2 ·
Does this non-standard digit method give a valid simple random sample?
- Ackbach
- · Replies 5 ·
Graduate (Im)possibility to prove the Goodstein's theorem
- Demystifier
- · Replies 4 ·
Graduate Conditions for solutions to aZ + b·Z̄ + c = 0
- PcumP_Ravenclaw
- · Replies 1 ·
Undergrad Proving expected value and variance for negative binomial distribution
- adarshnor
- · Replies 1 ·
Undergrad How do I account for measurement uncertainties in temperature data analysis?
- gnurf
- · Replies 1 ·
Why Prove \( x = y \) in \( \mathcal{P} \cup A \)?
- evinda
- · Replies 6 ·
Undergrad One-to-One Function: Definition & Examples
- Nert
- · Replies 2 ·
How can you find the powerset of sets using simple identities?
- evinda
- · Replies 2 ·
Graduate Goodstein theorem without transfinite numbers?
- Demystifier
- · Replies 2 ·
Statistsics Mathematics Problem: Linear Regression
- iamblessed20062
- · Replies 3 ·
Graduate Can Salmon's proof of the empty set be formalized in set theory?
- Stoney Pete
- · Replies 1 ·
Graduate "The Chase" Quiz Show -- probability of being caught by the Chaser
- skiller
- · Replies 1 ·
What does "v belongs to v" mean?
- evinda
- · Replies 12 ·
The set of all sets does not exist.
- evinda
- · Replies 2 ·
Why Is $\{ x: \phi(x) \}$ a Set Given $Y$?
- evinda
- · Replies 2 ·
Convert a non-deterministic finite automata to a regular expression.
- JamesBwoii
- · Replies 2 ·
How Do I Derive the Distribution of 2θΣx_i for Independent Random Variables?
- SupLem
- · Replies 3 ·
Is A the Empty Set When A is a Subset of the Empty Set?
- evinda
- · Replies 8 ·
How can I show that the sets are pairwise disjoint?
- evinda
- · Replies 12 ·
How can I find the exact solution?
- evinda
- · Replies 15 ·
Why can't a two-element set have two different forms?
- evinda
- · Replies 7 ·
Help with Statistical Inference
- trousmate
- · Replies 3 ·
Graduate E(X) and the Equality of Expectation: Debunked or Confirmed?
- torquerotates
- · Replies 1 ·
Undergrad Sample Size and Standard Deviation of the Sampling Distribution of the Mean
- nraic
- · Replies 11 ·
Graduate Will an Immortal Snail Ever Reach the Other End of a Stretching Rubber Band?
- Office_Shredder
- · Replies 29 ·
Proving K-Extendability of a Bipartite Graph
- Aryth1
- · Replies 1 ·
Graduate Communicating Classes in Markov Chains
- Arsenic&Lace
- · Replies 2 ·
Recurrence Relation: Master Theorem Solution
- evinda
- · Replies 2 ·
Why can we not apply the theorem?
- evinda
- · Replies 13 ·
Undergrad Why is P(A|B) = P(A∩B)/P(B) true for independent events?
- Avichal
- · Replies 3 ·
Undergrad Logistic Regression Research: 99% Concordance, Few Significance
- mathmathRW
- · Replies 1 ·
Why Is the Empty Set Considered Unique?
- evinda
- · Replies 10 ·
Undergrad Expected value and variance of these sums
- Dixanadu
- · Replies 2 ·
How does induction work for impossibility proofs?
- topsquark
- · Replies 1 ·
Undergrad Effective annual return rate and the annual percentage return rate
- beaf123
- · Replies 6 ·
Probability function (p.f) of a random variable
- serbskak
- · Replies 1 ·
Is the Equation in a Circle Correct?
- hossam killua
- · Replies 2 ·
Can I Determine if a Formula is a Tautology by Finding its CNF and DNF?
- hossam killua
- · Replies 3 ·
Rewrite the following sentence as a formal proposition.
- Henry R
- · Replies 2 ·
How to give a proof of tautologies?
- Henry R
- · Replies 4 ·
Undergrad Calculate the standard deviation of Gaussian distribution ,thanks
- chener
- · Replies 2 ·
Probability question involving finding gain or loss of a game
- Milly
- · Replies 4 ·
How many subjects do I need to prepare for a 90% chance of passing the exam?
- declan1
- · Replies 2 ·
Graduate How good is a fit for a set of points?
- Uriel
- · Replies 1 ·
Conditional Probability vs Normal
- jacobson00
- · Replies 6 ·
Undergrad Examples of A intersection B being an element of A
- Stephen Tashi
- · Replies 4 ·
Graduate Transforming Two Normal Random Variables into a Non-Central F Distribution
- zli034
- · Replies 2 ·
Graduate Question on testing logical truths for set operations
- schlynn
- · Replies 1 ·
Undergrad Non-parametric single set test of the mean
- FunkyDwarf
- · Replies 8 ·
Probability: Calculating the Chances of Success
- Rojito
- · Replies 3 ·
What is the relationship between Z-scores and probability?
- yourneighbours
- · Replies 2 ·
Undergrad What is the Best Way to Determine Sampling Accuracy in Large Populations?
- Virous
- · Replies 4 ·
Proving $T(n)=O(n^2 \lg^2 n)$ Using Recurrence Relation
- evinda
- · Replies 2 ·
Graduate Hierarchical Clustering: Ward linkage
- eoghan
- · Replies 1 ·
Undergrad A math foundation problem, of sorts
- jeremy22511
- · Replies 8 ·
Graduate Conditional Probability: Converting CDF to PDF for Independent Random Variables
- joshthekid
- · Replies 2 ·
Graduate Empty set disjoint with itself paradoxical?
- Stoney Pete
- · Replies 22 ·
How is Probability Applied in Newspaper Reading Time Statistics?
- tcardwe3
- · Replies 9 ·
How many 7-card hands have exactly 5 spades and 2 hearts?
- Walker14
- · Replies 8 ·
Finding upper bound for T(n)=9T(n/3)+n²logn using induction
- evinda
- · Replies 6 ·
Graduate What is the Average Number of Guesses in a Game with Varying Step Sizes?
- chingel
- · Replies 4 ·
Undergrad What Is a Grouping Factor in Graphical Modelling?
- paalfis
- · Replies 3 ·
Undergrad Testing Randomness in a Set of 200+ Data Points
- qspeechc
- · Replies 2 ·
Finding the Autocovariance function
- nacho-man
- · Replies 5 ·
Proving properties of inverse relations: domain, range, and field
- evinda
- · Replies 4 ·
What is the negation of this statement and which statement is true, R or ¬R?
- rayne1
- · Replies 10 ·
What is the solution (rational function/interval table)?
- eleventhxhour
- · Replies 4 ·
How do you solve and plot inequalities with multiple variables?
- ai93
- · Replies 6 ·
Undergrad Natural deduction sets (Rules of nature deduction)
- emanoelvianna
- · Replies 3 ·
What is the cartesian product of two sets?
- evinda
- · Replies 4 ·
Graduate Solving Asymetric Probability Distribution w/68% Interval
- gaby287
- · Replies 2 ·
Graduate What Is the Dimension of a Graphical Model?
- paalfis
- · Replies 1 ·
Can Single Element Sets Be Subsets of Power Sets?
- evinda
- · Replies 1 ·
High School Square root of 2 divided by 0 is rational?
- PcumP_Ravenclaw
- · Replies 5 ·
How do we know that i is at least one negative?
- evinda
- · Replies 2 ·
How to find if there are outliers, given mean, median, etc
- chriskeller1
- · Replies 2 ·
Undergrad Addition Rule for Random Variables
- Peter G.
- · Replies 3 ·
Binomial probability or poisson?
- Tbx013
- · Replies 1 ·