Set Theory, Logic, Probability, Statistics Forum

Post thread
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.
Undergrad What is the difference between symmetric and antisymmetric relations?
  • · Replies 7 ·
Replies
7
Views
5K
Graduate Sigma-algebra generated by a function
  • · Replies 1 ·
Replies
1
Views
7K
Undergrad Racecar Winning Probability Index - click to find out what it means
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad Probably pretty simple for ya'll but
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Cant get my head around gaussians, so easy aswell?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Moment generating function help?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Intersection of two gaussian distribution functions
  • · Replies 3 ·
Replies
3
Views
9K
Undergrad How Do You Calculate Probability in a Two-Dimensional Sample Space?
  • · Replies 3 ·
Replies
3
Views
3K
Graduate Is the Cumulant Generating Function correctly defined?
  • · Replies 1 ·
Replies
1
Views
6K
Undergrad Random vs fixed effects in ANOVA
  • · Replies 2 ·
Replies
2
Views
6K
Undergrad Sets & Notations: What Do S* and S* Mean?
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad How to Calculate Symmetric Relations in Set Theory?
  • · Replies 1 ·
Replies
1
Views
8K
Undergrad How can we prove that p(n) is true for all integers n with 1 <= n < v.size()?
  • · Replies 8 ·
Replies
8
Views
3K
Graduate Expectation of terms in double summation
  • · Replies 5 ·
Replies
5
Views
5K
Undergrad Reflexive = transistive relation?
  • · Replies 5 ·
Replies
5
Views
3K
Undergrad Relation Problem on A & B: What Happens to 1,3 & 2,4?
  • · Replies 7 ·
Replies
7
Views
2K
Undergrad Understanding Normal Distribution and Calculating Probability for Safe Sailing
  • · Replies 1 ·
Replies
1
Views
2K
High School Finding F-Critical (Comparing Variances)
  • · Replies 1 ·
Replies
1
Views
2K
High School Calculating Probability of Rolling a 3 before a 7
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Poisson Process Conditonal Probabilities
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Determine whether it is an onto function
  • · Replies 2 ·
Replies
2
Views
8K
Graduate The Deterministic Nature of Probability in Quantum Mechanics
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Working out the cumulative distribution
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Cumulative probability of HIV infection
  • · Replies 18 ·
Replies
18
Views
9K
Graduate Axiom of choice question (small index set)
  • · Replies 3 ·
Replies
3
Views
2K
Graduate What is the PDF of a Sine Wave Cycle?
  • · Replies 6 ·
Replies
6
Views
14K
Undergrad Importance of homogenity of variance
  • · Replies 2 ·
Replies
2
Views
7K
Undergrad Why Are There Contradictions in Hasse Diagram Examples?
  • · Replies 3 ·
Replies
3
Views
5K
Undergrad Answer: Combinations Problem: 40 Elements, 20 Identical - How Many Orderings?
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Is This Moment Generating Function Expression Correct?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Interesting set/divisibility/counting question
  • · Replies 1 ·
Replies
1
Views
2K
Graduate The distribution of ratio of two uniform variables
  • · Replies 5 ·
Replies
5
Views
15K
Graduate What does the log likelihood say?
  • · Replies 15 ·
Replies
15
Views
92K
High School Add, subtract, multiply and divide uncertainties in measurement.
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad Why is the P Value Calculated Using the Integral Under the Z Curve?
  • · Replies 12 ·
Replies
12
Views
15K
Undergrad Help with generating the probablities open a card game
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Fuzzy logic can be emulated with standard logic
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Why Is the Expected Value of cos(t)sin(t) Zero?
  • · Replies 1 ·
Replies
1
Views
4K
High School Question about cadinality of sets
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Stats help - Linear Model fitting in R
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Fundamental unit of information
  • · Replies 1 ·
Replies
1
Views
3K
Graduate When is a collection of sets too large to be a set?
  • · Replies 3 ·
Replies
3
Views
3K
Graduate Two measurements. Different trust.
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Normalization: discrete vs. continuous
  • · Replies 3 ·
Replies
3
Views
10K
Graduate What is the Mean of Exponential RVs with Chi Square Distribution?
  • · Replies 6 ·
Replies
6
Views
5K
Graduate Does input exist? Is f(x) identical to y?
  • · Replies 28 ·
Replies
28
Views
6K
Graduate Prove A^B A^C = A^{B+C}: Steps & Tips
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Balanced incomplete block design
  • · Replies 1 ·
Replies
1
Views
3K
A seemingly easy logical question
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad Interpreting Chi Squared Test Results for Lab Report
  • · Replies 2 ·
Replies
2
Views
2K
Graduate What is the relationship between integrals and measures in measure theory?
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Pigeohole principle - rolling die
  • · Replies 5 ·
Replies
5
Views
6K
Graduate Central Limit Theorem Variation for Chi Square distribution?
  • · Replies 2 ·
Replies
2
Views
5K
Undergrad Surjective Functions: Understanding Domain and Range
  • · Replies 4 ·
Replies
4
Views
5K
Undergrad Number of different license plates
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Gamma Distribution Confidence Interval
  • · Replies 3 ·
Replies
3
Views
18K
Graduate Which structures can constitute the foundations of mathematics?
  • · Replies 1 ·
Replies
1
Views
3K
Graduate A stochastic calculus question
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Why do we use a square and square root method in the standard deviation formula?
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad If and only if relationship between them?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Absolute relative approximate error
  • · Replies 3 ·
Replies
3
Views
18K
Graduate Expected value and nonnegative random variable
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad Find Covariance Matrix for c1,c2 Given x,y=7,4
  • · Replies 2 ·
Replies
2
Views
3K
High School Probability question from the movie 21
  • · Replies 3 ·
Replies
3
Views
16K
Undergrad What is the best estimate for the unknown parameter in a normal distribution?
  • · Replies 1 ·
Replies
1
Views
3K
High School What does the notation C = C1 U C2 mean?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate What happens to gaussian white noise when derived in continuous time?
  • · Replies 4 ·
Replies
4
Views
12K
Graduate Conditional & uncoditional MSE (in MMSE estimation)
  • · Replies 14 ·
Replies
14
Views
11K
Undergrad Calculating Probabilities in Mafia Party Game
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad What is the formula for calculating the FWHM of a gaussian function?
  • · Replies 1 ·
Replies
1
Views
9K
Graduate Is Self-Referencing a Valid Method for Defining Propositions?
  • · Replies 13 ·
Replies
13
Views
3K
Graduate The size of sets and infinities
  • · Replies 5 ·
Replies
5
Views
3K
Undergrad Why Use a Biased Estimator?
  • · Replies 4 ·
Replies
4
Views
4K
Undergrad Now, does A always cause C?Does A always lead to C?
  • · Replies 12 ·
Replies
12
Views
12K
Graduate Infinite set, disjunction, and tautology
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad Comparison of 4 sets of data: a measure of similarity
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Cardinalities of Sets: Prove |(0, 1)| = |(0, 2)| and |(0, 1)| = |(a, b)|
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Calculate Parameters of Shifted Exponential Density from Measurements
  • · Replies 1 ·
Replies
1
Views
4K
Graduate CDP of a function of a continuous RV
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Improve Test Scores: Solving Probability Problems with Expert Help
  • · Replies 4 ·
Replies
4
Views
3K
Graduate Functions of random variable and their expected value
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Need help understanding this problem
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Expected value for the product of three dependent RV
  • · Replies 4 ·
Replies
4
Views
22K
Graduate A question for stochastic calculus
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad What is the Accuracy of Airflow Measurements Using Multiple Devices?
  • · Replies 2 ·
Replies
2
Views
4K
Undergrad Independent Trials: Probability of Events A_i
  • · Replies 2 ·
Replies
2
Views
4K
Undergrad Calculating Possible Combinations in 2 Vectors
  • · Replies 5 ·
Replies
5
Views
2K
Graduate Prove property of classes (introductory set theory)
  • · Replies 9 ·
Replies
9
Views
3K
Undergrad Can I Put the Expectation Symbol Inside an Integral?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Monty Hall Problem - But with 4 doors and two opportunities to switch
  • · Replies 1 ·
Replies
1
Views
4K
Undergrad Number sequence is present in the decimal expansion of pi?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Is the Square Root of an Unbiased Variance Estimator Also Unbiased?
  • · Replies 2 ·
Replies
2
Views
9K
Undergrad Problem at Work with Regression
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Why is the Linearity of Expectation Used in This Equation?
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Finding p-value for a Stouffer Z value?
  • · Replies 2 ·
Replies
2
Views
3K
Graduate N-dimensional RV vs DT Random process
  • · Replies 4 ·
Replies
4
Views
3K
Graduate Prove set S is countable iff there exists a surjective/injective function
  • · Replies 2 ·
Replies
2
Views
14K
Undergrad What is the origin of the standard normal distribution function?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Infinite Sets: Are They All Equal?
  • · Replies 12 ·
Replies
12
Views
6K
Undergrad Calculating Probability of Hand of n Cards from a Given Set
  • · Replies 10 ·
Replies
10
Views
6K