Set Theory, Logic, Probability, Statistics Forum

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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.
What are the different ways to place two objects in five slots?
  • tmt1
  • · Replies 1 ·
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1
High School Calculating Percents: A/B vs. B/A
  • 1plus1is10
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7
Undergrad Interpolation of Graphed, Cutoff Sensor Values
  • mishima
  • · Replies 6 ·
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6
Flood Frequency & Return Interval: 100-Year Analysis
  • Varanus
  • · Replies 1 ·
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1
Undergrad Russell's Paradox: Proving N is Normal if Abnormal
  • Figaro
  • · Replies 10 ·
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10
Solve Combinatorics Problem with 3 & 5 Digits: Help Needed!
  • Puzzles
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4
Confusion about greater variance in the numerator for F ratio
  • dhiraj
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2
Probability: Choosing From A Deck Of Cards
  • Belfina
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1
Undergrad Is Adjusting for Weight in TEE Calculation Reliable in Regression Analysis?
  • wywong
  • · Replies 8 ·
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8
Undergrad Rolling a Fair Die: Analyzing Data & Results
  • DaveC426913
  • · Replies 22 ·
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22
How to Translate 'There Exists Exactly One Happy Person' into Predicate Logic?
  • tmt1
  • · Replies 3 ·
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3
Graduate Mathematical problem about Buffon's Needle
  • frostysh
  • · Replies 3 ·
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3
Solve Logic Puzzle: Predicates & True/False Explained
  • Plonker1
  • · Replies 1 ·
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1
P-value: 0.0098Area of the critical region: 0.01Critical value(s): ±2.326
  • noahpww
  • · Replies 3 ·
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3
Undergrad Possibility Theory: Simplifying Uncertainty and Human Reasoning
  • Auto-Didact
  • · Replies 23 ·
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23
Graduate Looking for help with pull plots
  • ChrisVer
  • · Replies 1 ·
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1
Undergrad About control random variables
  • KFC
  • · Replies 3 ·
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3
Undergrad Working out the equation for coordinates on a graph
  • Saints-94
  • · Replies 7 ·
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7
Undergrad Are Sensor Failures Matching Manufacturer Claims?
  • Strum
  • · Replies 9 ·
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9
Undergrad Problems with Existential Instantiation
  • Terrell
  • · Replies 3 ·
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3
Help with Logic Questions | 65 Characters
  • Plonker1
  • · Replies 1 ·
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1
Undergrad Understanding DeMorgan's Theorem: Complements and Input Confusion Explained
  • JohnGaltis
  • · Replies 5 ·
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5
Undergrad Experimental Data - Error in slope
  • raniero
  • · Replies 4 ·
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4
Graduate Formal axiom systems and the finite/infinite sets
  • RockyMarciano
  • · Replies 10 ·
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10
Prove an identity with binomial coefficients
  • lfdahl
  • · Replies 4 ·
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4
Is the Symmetric Difference Problem Solved?
  • Yankel
  • · Replies 2 ·
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2
Undergrad Does Vitamin Intake Impact Weight Gain in Students?
  • Tyto alba
  • · Replies 3 ·
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3
Undergrad Need closed form for a Binomial series
  • issacnewton
  • · Replies 5 ·
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5
Proof of Knaster-Tarski Theorem
  • Fermat1
  • · Replies 3 ·
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3
Undergrad Is the Definition of Unpaired t-test in My Book Correct?
  • Tyto alba
  • · Replies 1 ·
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1
High School Regarding bayesian analysis/inference/ predictions
  • Javaxcore
  • · Replies 6 ·
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6
High School Probability Distributions (Countably Infinite domain)
  • SSequence
  • · Replies 9 ·
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9
Graduate Uncertainty Propagation in Coupled Oscillator
  • HermitianField
  • · Replies 9 ·
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9
Graduate Uncertainty Propagation of Complex Functions
  • HermitianField
  • · Replies 1 ·
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1
High School Simplifying roots of negative numbers
  • maxverywell
  • · Replies 2 ·
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2
Graduate Scientific method to calculate the time limits of a task
  • Tyto alba
  • · Replies 5 ·
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5
Graduate Factoring (Possible) Effect of Dunning-Kruger.
  • WWGD
  • · Replies 4 ·
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4
Undergrad Use of R^2 adjusted in Simple Linear Regression-Excel?
  • WWGD
  • · Replies 5 ·
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5
Find g: Solving a Set Theory Problem
  • FallArk
  • · Replies 7 ·
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7
Undergrad Sets, Subsets, Possible Relations
  • Figaro
  • · Replies 1 ·
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1
Undergrad Can E(M,K) = C Replace Ek(M) = C in Cryptography Notation?
  • Teachme
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3
Graduate How Does Gödel's Diagonalization Relate to Proofs in Peano Arithmetic?
  • arupel
  • · Replies 14 ·
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14
Undergrad Expected Value of Random Variable X: Solving for E[1/X]
  • Steve Zissou
  • · Replies 8 ·
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8
Linear Optimization: Possibilities
  • mathmari
  • · Replies 11 ·
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11
Undergrad Normalizing Hormone Secretion: Grubb's Test Results
  • bacondoodle
  • · Replies 4 ·
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4
Graduate Waiting time in a Queue using Poisson arrival
  • Mehmood_Yasir
  • · Replies 37 ·
2
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Investigating Reading Comp. w/ Cultural Capital: A T-Test
  • mathmari
  • · Replies 16 ·
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16
Verifying Potato Weight: Hypothesis Testing and Beta Error Analysis
  • mathmari
  • · Replies 13 ·
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13
Undergrad What is the role of Dedekind cuts in constructing real numbers?
  • Saph
  • · Replies 7 ·
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7
Which measure of center is most accurate for the batting averages of a team?
  • rebo1984
  • · Replies 7 ·
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7
Show How to Prove $\binom{n}{r}$ with Pascal's Triangle
  • JGalway
  • · Replies 2 ·
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2
Is Z-Score Testing Appropriate for Comparing These Population Proportions?
  • chadwae
  • · Replies 1 ·
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1
Conditional Expectation problem
  • JGalway
  • · Replies 3 ·
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3
Moment-Generating Function question
  • JGalway
  • · Replies 1 ·
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1
Election Outcome Hinges on Vote Ratios: Can You Solve It?
  • Ilikebugs
  • · Replies 2 ·
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2
Undergrad Level of significance and acceptance and rejection of the null hypothesis
  • Tyto alba
  • · Replies 4 ·
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4
Undergrad Standard Deviation from one axis to another axis
  • whatever
  • · Replies 4 ·
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4
Graduate Comparative statistics of (trivariate) random event
  • estebanox
  • · Replies 6 ·
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6
How to Calculate Measures of Variability for a Data Set?
  • jahmal
  • · Replies 2 ·
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2
Undergrad Understanding Yates' correction
  • Tyto alba
  • · Replies 1 ·
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1
Undergrad What is Yates' correction of contingency?
  • Tyto alba
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2
Undergrad Understanding the null hypothesis
  • Tyto alba
  • · Replies 2 ·
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2
What are the next steps after finding a pattern in iterative substitution?
  • fvnn
  • · Replies 1 ·
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1
Undergrad Summation Equality: Is it Me or Author?
  • jenny_shoars
  • · Replies 5 ·
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5
Undergrad Confidence interval or Standard deviation?
  • liquidFuzz
  • · Replies 21 ·
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21
Getting Nowhere with a Proof Question: Help Needed
  • Leanna
  • · Replies 3 ·
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3
Appending a number to itself n times and finding modulo m
  • Acquirer
  • · Replies 6 ·
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6
Graduate Integral of squared univariate PDF
  • Kvad
  • · Replies 8 ·
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8
Proving Reflexive, Symmetric and Transitive Properties of Relation R on P(U)
  • leigh ramona
  • · Replies 3 ·
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3
Propositions for recursive functions
  • evinda
  • · Replies 18 ·
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18
Meaning of Definition: $T_n(1)$ Defines a Function
  • evinda
  • · Replies 12 ·
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12
High School Logical process of solving equations
  • Mr Davis 97
  • · Replies 12 ·
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12
Can the Halting Problem be Reduced to L?
  • evinda
  • · Replies 17 ·
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17
Difference of two types of recursive functions
  • evinda
  • · Replies 13 ·
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13
How Does the Constant '2' Arise in Binomial Theorem Equalities?
  • gladeligen
  • · Replies 1 ·
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1
Undergrad What is the significance of standard deviation for arbitrary distributions?
  • KFC
  • · Replies 4 ·
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4
Undergrad What does n ∈ f mean in set theory notation?
  • Jehannum
  • · Replies 10 ·
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10
Undergrad What was the historical problem with Imaginary Numbers?
  • FallenApple
  • · Replies 28 ·
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28
Undergrad Can a be proven to be greater than or equal to c from given inequalities?
  • mikeyBoy83
  • · Replies 8 ·
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8
Undergrad Using symbolic logic in mathematical proof?
  • Terrell
  • · Replies 4 ·
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4
How to Correctly Express Percentage
  • Linda1
  • · Replies 2 ·
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2
Undergrad What Defines a Convergent Argument?
  • Logical Dog
  • · Replies 3 ·
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3
High School Uncertainty Calculations for Electrical Measurements
  • CookieSalesman
  • · Replies 4 ·
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4
A Strange Probability Exercise
  • Greekguy
  • · Replies 2 ·
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2
Undergrad Proving a proposition directly
  • Mr Davis 97
  • · Replies 26 ·
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26
Average of 2 Numbers: Find Equation Solution
  • alextrainer
  • · Replies 2 ·
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2
Graduate Correlation coefficient among trends
  • serbring
  • · Replies 3 ·
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3
Help With Probability Problem: Find Mean & Variance of Vn
  • Mike2323
  • · Replies 1 ·
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1
The Probability of a Biased Coin: n Flips, m Heads
  • markosheehan
  • · Replies 4 ·
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4
Undergrad Relation vs Function: Understanding N-ary Relations
  • Mr Davis 97
  • · Replies 2 ·
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2
What does the algorithm calculate?
  • mathmari
  • · Replies 1 ·
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1
Can Predicate Logic Capture Complex Human Reasoning?
  • mathmari
  • · Replies 3 ·
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3
Undergrad What is the required amount of information to specify an element in \omega_1?
  • tzimie
  • · Replies 6 ·
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6
Undergrad Equivalent definitions of random variable
  • mnb96
  • · Replies 4 ·
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4
Undergrad Why does P -> Q hold true when P is false and Q is true in mathematical logic?
  • Physicsman567
  • · Replies 7 ·
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7
High School How to calculate the gain or loss percentage in short sell?
  • Bruno Tolentino
  • · Replies 5 ·
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5
Undergrad How to find the nth binary permutation?
  • Chadi B Ghaith
  • · Replies 2 ·
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2
Undergrad Discrete Mathematics Function Topic
  • Simpl0S
  • · Replies 4 ·
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4
Undergrad Beta coefficient vs. Significance coefficient
  • Kontilera
  • · Replies 4 ·
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4
Undergrad Linear Regression with Measurement Errors
  • Arishy Han
  • · Replies 9 ·
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9