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Set Theory, Logic, Probability, Statistics Forum

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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Graduate Question about Independent Random Variables and iid

chingkui
Jun 15, 2005 · Replies 1 · Jun 15, 2005

Replies: 1

Undergrad Why Does Variance Equal E[x^2] - (E[x])^2?

vptran84
May 22, 2005 · Replies 9 · Jun 14, 2005

Replies: 9

Undergrad Ans: Solve Probability Problem: 80 Women in 150 People Sampled

statsluke
Jun 14, 2005 · Replies 1 · Jun 14, 2005

Replies: 1

Undergrad How Can You Calculate the Arrangements of Red and White Roses in a Circle?

Cheman
Jun 8, 2005 · Replies 13 · Jun 13, 2005

Replies: 13

Undergrad Solve Probability Question Using Poisson Distribution: Get Odds of Overuse

statsluke
Jun 11, 2005 · Replies 4 · Jun 13, 2005

Replies: 4

Undergrad Solutions to Probability Puzzle: Find 3 Emergency Trained Staff

statsluke
Jun 12, 2005 · Replies 1 · Jun 13, 2005

Replies: 1

Graduate What exactly does without loss of generality mean

BicycleTree
Jun 11, 2005 · Replies 8 · Jun 13, 2005

Replies: 8

Graduate Finding Coefficient of x^n in 1/((1-x)(1-x^2)(1-x^3)) - Generating Functions

adil
Jun 6, 2005 · Replies 9 · Jun 12, 2005

Replies: 9

Undergrad Calculating Annuity Payments for Investments

shimmeringlight
Jun 6, 2005 · Replies 12 · Jun 10, 2005

Replies: 12

High School Solving Expectations of a Fair Dice Rolled - Help with Parts b & c

Redhead711
May 3, 2005 · Replies 10 · Jun 9, 2005

Replies: 10

Undergrad How Do Sales Representatives' Earnings Vary in a Canadian Clothing Chain?

adeel
Jun 8, 2005 · Replies 1 · Jun 8, 2005

Replies: 1

Graduate Consistency of real number algebra

C0nfused
Jun 8, 2005 · Replies 11 · Jun 8, 2005

Replies: 11

High School What is median by interpolation and how can it help me find the median?

MightyMeanie
Jun 8, 2005 · Replies 1 · Jun 8, 2005

Replies: 1

Graduate Conditional density function - please

ionlylooklazy
Jun 3, 2005 · Replies 7 · Jun 7, 2005

Replies: 7

Graduate Counting the elements of a set of sets

OlderDan
Jun 6, 2005 · Replies 17 · Jun 7, 2005

Replies: 17

Graduate What is the difference between class and set?

chingkui
Jun 6, 2005 · Replies 3 · Jun 6, 2005

Replies: 3

Graduate Help Me Out With These 2 Tough Questions

evanx
Jun 4, 2005 · Replies 4 · Jun 5, 2005

Replies: 4

Undergrad Ain't No Proof By Contradiction

LeBrad
Jun 3, 2005 · Replies 21 · Jun 5, 2005

Replies: 21

Undergrad Permutation and combination problem

manisha1980
Jun 1, 2005 · Replies 14 · Jun 5, 2005

Replies: 14

Graduate Calculating Probability and Profit for Drilling Wells: A Binomial Approach

adeel
Jun 4, 2005 · Replies 4 · Jun 4, 2005

Replies: 4

Undergrad People Who Like A or C: Subset of Those Who Don't Like B and C

EvLer
Jun 4, 2005 · Replies 1 · Jun 4, 2005

Replies: 1

Undergrad Statistics Question: Calculating P(B U D)

adeel
Jun 3, 2005 · Replies 25 · Jun 3, 2005

Replies: 25

Undergrad Need help with statistics / distributions

muffi
May 15, 2005 · Replies 5 · Jun 3, 2005

Replies: 5

Graduate Let X be a set. A partition of X is a subset

laminatedevildoll
Jun 1, 2005 · Replies 1 · Jun 2, 2005

Replies: 1

Graduate Do I have this definition right? (and a suprise bonus question on sequences)

quasar987
May 25, 2005 · Replies 6 · Jun 1, 2005

Replies: 6

Graduate Understanding Proofs Involving Subsets

laminatedevildoll
May 17, 2005 · Replies 22 · Jun 1, 2005

Replies: 22

High School Understanding Probability: Mutually Exclusive, Independent, And/Or Problems

DLxX
May 23, 2005 · Replies 5 · May 31, 2005

Replies: 5

Graduate Proving Dedekind Cuts for D = {x: x \in Q and (x \leq or x^2 < 2)}

laminatedevildoll
May 26, 2005 · Replies 7 · May 29, 2005

Replies: 7

Undergrad Likely Winner of Women's Shooting Contest

himurakenshin
May 26, 2005 · Replies 9 · May 28, 2005

Replies: 9

Undergrad Midterm Practice: Could some verify my proof

johnnyICON
May 28, 2005 · Replies 2 · May 28, 2005

Replies: 2

Graduate Probability Density Function of two Resistors in Parallel

darthhath
May 16, 2005 · Replies 4 · May 28, 2005

Replies: 4

Undergrad Simulating Brownian Motion w/ Drift & Diffusion - Step-by-Step Guide for Excel

Altemicione
May 28, 2005 · Replies 1 · May 28, 2005

Replies: 1

Undergrad Solving Problem with Marbles - David's Challenge

straycat
May 24, 2005 · Replies 12 · May 28, 2005

Replies: 12

High School Average Deviations: Why is it Always Zero?

chynawok
May 25, 2005 · Replies 2 · May 26, 2005

Replies: 2

Undergrad Bijections result when the function is surjective and injective

laminatedevildoll
May 5, 2005 · Replies 8 · May 24, 2005

Replies: 8

Graduate What Is the Distribution of 2(X̄ - 10) / S?

buddingscientist
May 19, 2005 · Replies 2 · May 23, 2005

Replies: 2

Undergrad Comparing Sample Means with Pooled Variance Estimate

adamg
May 21, 2005 · Replies 2 · May 23, 2005

Replies: 2

Graduate Solving Choice Functions: Axioms, X={1,2,3}, Finding c:P(X)--->X

laminatedevildoll
May 10, 2005 · Replies 19 · May 22, 2005

Replies: 19

High School How Many Ways to Split Students and Combine Outfits?

Apophis
May 21, 2005 · Replies 3 · May 22, 2005

Replies: 3

Undergrad Probability Density Function - Need Help

vptran84
May 20, 2005 · Replies 3 · May 21, 2005

Replies: 3

Graduate Cartesian Product: \mathbb{R}^3

quasar987
May 19, 2005 · Replies 7 · May 20, 2005

Replies: 7

Graduate Are there sets that are not partitionable in certain ways?

quasar987
May 20, 2005 · Replies 1 · May 20, 2005

Replies: 1

Graduate Joint PDF of Random Variables X & Y -1 to 1

vptran84
May 16, 2005 · Replies 2 · May 19, 2005

Replies: 2

Graduate Gaussian Random Variables Question

chingkui
May 19, 2005 · Replies 1 · May 19, 2005

Replies: 1

High School Mutually exclusive/independent events

Nylex
May 17, 2005 · Replies 4 · May 18, 2005

Replies: 4

High School Probablity of choosing the same number

at_radio
May 17, 2005 · Replies 2 · May 17, 2005

Replies: 2

Graduate How to prove the double containment argument for infinite operations with sets?

laminatedevildoll
May 16, 2005 · Replies 2 · May 16, 2005

Replies: 2

High School Can 12 People Share 3 Tables in 5 Days for Dinner?

Xamfy19
May 15, 2005 · Replies 4 · May 16, 2005

Replies: 4

Undergrad Combinations & Counting: Is There a Proven Formula?

skrying
May 8, 2005 · Replies 3 · May 15, 2005

Replies: 3

Graduate How Many Choice Functions Exist for Finite and Infinite Sets?

honestrosewater
May 13, 2005 · Replies 1 · May 13, 2005

Replies: 1

Graduate Autocorrelation, expectation, moment

vptran84
May 12, 2005 · Replies 1 · May 12, 2005

Replies: 1

Graduate Theorem: Bijections & Axiom of Choice

laminatedevildoll
May 10, 2005 · Replies 9 · May 11, 2005

Replies: 9

Undergrad Combinations are just an application of the counting principle?

skrying
May 9, 2005 · Replies 4 · May 10, 2005

Replies: 4

Undergrad What is the probability of a customer leaving a workshop happy?

morry
May 10, 2005 · Replies 7 · May 10, 2005

Replies: 7

Graduate Testing hypothesis and significance level

vptran84
May 8, 2005 · Replies 1 · May 10, 2005

Replies: 1

Undergrad What is the confidence interval for a 100 ohm resistor with 10% tolerance?

vptran84
May 8, 2005 · Replies 1 · May 10, 2005

Replies: 1

Graduate To show that equivalence classes of ker f are concentric circles

laminatedevildoll
May 8, 2005 · Replies 2 · May 8, 2005

Replies: 2

Undergrad Method of Moments: Solving For Theta

semidevil
May 7, 2005 · Replies 1 · May 7, 2005

Replies: 1

High School Understanding Functions: Puzzled by f(x) = sqrt(x)?

EvLer
May 7, 2005 · Replies 3 · May 7, 2005

Replies: 3

Graduate Calculating Ratios of Moments: Spatial Extent of Distribution

Jacob
Apr 26, 2005 · Replies 5 · May 7, 2005

Replies: 5

Graduate Examples of Surjections from Uncountable Sets to Countable Sets

honestrosewater
May 1, 2005 · Replies 15 · May 6, 2005

Replies: 15

Graduate Finding Upper and Lower Bounds for Subsets in R and Q

laminatedevildoll
May 3, 2005 · Replies 10 · May 5, 2005

Replies: 10

High School If there is a box which has 7 red balls

campa
May 5, 2005 · Replies 3 · May 5, 2005

Replies: 3

Graduate The Universe/Set Theory Conflict?

Muon12
May 5, 2005 · Replies 6 · May 5, 2005

Replies: 6

Undergrad Verifying R is an Order Relation on {1,2,3}

laminatedevildoll
May 3, 2005 · Replies 10 · May 5, 2005

Replies: 10

Undergrad Probability of Winning and Losing in a 3-Round Game

campa
May 5, 2005 · Replies 6 · May 5, 2005

Replies: 6

Graduate Generalized likelihood ratio test

BicycleTree
May 3, 2005 · Replies 2 · May 4, 2005

Replies: 2

Undergrad How many arrangements are possible

Directrix
Apr 26, 2005 · Replies 13 · May 4, 2005

Replies: 13

Graduate Bacteria Colony Distribution in a Nutrient Dish

Redhead711
May 2, 2005 · Replies 2 · May 3, 2005

Replies: 2

Graduate How can the Metropolis-Hastings algorithm help simulate a Normal Distribution?

Zaare
May 2, 2005 · Replies 2 · May 3, 2005

Replies: 2

Undergrad Stock Market Investor: Probability of Retirement as a Winner

Lisawmi
May 2, 2005 · Replies 1 · May 2, 2005

Replies: 1

Graduate Rao-Blackwells Theorem: Efficient Estimation Using Sufficient Statistics

Zaare
Apr 28, 2005 · Replies 4 · May 2, 2005

Replies: 4

Graduate Can X_n Converge to X in Probability if it Doesn't Meet Definitions 2 or 3?

Zaare
Mar 10, 2005 · Replies 10 · May 2, 2005

Replies: 10

Graduate Calculate E(XY) when X~N(0,1), Y=X^2~\chi^2(1)

gimmytang
Apr 29, 2005 · Replies 4 · May 2, 2005

Replies: 4

Undergrad Calculating Probability with a Normal Distribution

splitendz
Apr 30, 2005 · Replies 6 · May 1, 2005

Replies: 6

Undergrad Calculating Number of Distinct x Tuples from a Set A

Dr-NiKoN
Apr 26, 2005 · Replies 31 · Apr 30, 2005

2

Replies: 31

Undergrad Probability Formula for Testing Joe's Claim in a Statistics Class

doug123
Apr 30, 2005 · Replies 7 · Apr 30, 2005

Replies: 7

High School What is the Probability of Getting More Heads than Tails in 4 Coin Tosses?

tae3001
Apr 28, 2005 · Replies 7 · Apr 28, 2005

Replies: 7

High School What is Set Theory and How is it Used in Science?

<<<GUILLE>>>
Apr 27, 2005 · Replies 2 · Apr 28, 2005

Replies: 2

Graduate Various stuff, mostly about sets

honestrosewater
Apr 21, 2005 · Replies 7 · Apr 27, 2005

Replies: 7

High School What do I need on the final to get an A in the class?

ProBasket
Apr 26, 2005 · Replies 2 · Apr 26, 2005

Replies: 2

Graduate Probability Axioms: Deriving Version 2 from Version 1

eddo
Apr 25, 2005 · Replies 3 · Apr 25, 2005

Replies: 3

Undergrad What is the probability of choosing at least one defective calculator?

Azrioch
Apr 24, 2005 · Replies 6 · Apr 25, 2005

Replies: 6

Undergrad First-order logic : repesenting graphs

nounou
Apr 22, 2005 · Replies 35 · Apr 25, 2005

2

Replies: 35

Graduate Second-order and Fixed-point Logic: Describing Graphs

nounou
Apr 24, 2005 · Replies 3 · Apr 24, 2005

Replies: 3

High School Craps Statistics: Win/Loss/Point Odds Explained

Steel_City82
Apr 23, 2005 · Replies 2 · Apr 23, 2005

Replies: 2

Graduate Proving the Non-Equivalence of 'P V Q' to Any Horn Formula

nounou
Apr 21, 2005 · Replies 4 · Apr 23, 2005

Replies: 4

High School Proving a Logical Statement: Puzzling Over Proving Pb and Not P1...

danne89
Apr 21, 2005 · Replies 4 · Apr 23, 2005

Replies: 4

Graduate Interesting probability problem

Alkatran
Apr 21, 2005 · Replies 8 · Apr 22, 2005

Replies: 8

Graduate Proving Infinite Sigma-Algebra's Countable Disjoint Subsets

Zaare
Apr 21, 2005 · Replies 3 · Apr 22, 2005

Replies: 3

Undergrad Connectives Homework: Incomplete Set, Propositions P & Contradictions

flying2000
Mar 20, 2005 · Replies 27 · Apr 22, 2005

Replies: 27

Graduate Ordinal Exponentiation Comparison

aa
Apr 13, 2005 · Replies 20 · Apr 21, 2005

Replies: 20

Undergrad Calculating Probability of Sixth Die Face on Nth Consecutive Throw

LittleWolf
Apr 9, 2005 · Replies 13 · Apr 21, 2005

Replies: 13

Graduate Is the Intersection of a Sequence in a Sigma-Algebra Also in the Sigma-Algebra?

Zaare
Apr 21, 2005 · Replies 2 · Apr 21, 2005

Replies: 2

Graduate Definitions in terms of truth-functions

honestrosewater
Apr 14, 2005 · Replies 17 · Apr 20, 2005

Replies: 17

Undergrad What is the conditional probability of P(X > 0.2 | X < 0.6)?

splitendz
Apr 19, 2005 · Replies 2 · Apr 20, 2005

Replies: 2

Undergrad Method of moments and integration

semidevil
Apr 19, 2005 · Replies 1 · Apr 20, 2005

Replies: 1

High School Four tires to mount on a car these can be mounted

TSN79
Apr 19, 2005 · Replies 3 · Apr 19, 2005

Replies: 3

Graduate How can I improve my understanding of Maximum Likelihood estimators?

benji84
Apr 17, 2005 · Replies 2 · Apr 17, 2005

Replies: 2

High School Denoting the Largest Member of a Set: Symbols & Techniques

bomba923
Apr 17, 2005 · Replies 5 · Apr 17, 2005

Replies: 5

sidebar

Probability and Statistics

Probability and statistics are branches of mathematics that deal with the study of uncertainty, randomness, and data analysis. Probability focuses on quantifying uncertainty and likelihood, providing a framework for understanding chance and randomness in various events.

It involves concepts such as random variables, probability distributions, and the laws of probability. Statistics, on the other hand, involves collecting, organizing, analyzing, interpreting, and presenting data. It includes techniques for making inferences about populations based on sample data, estimating parameters, and testing hypotheses.

Together, probability and statistics play a crucial role in fields like science, finance, economics, and social sciences, enabling informed decision-making by providing tools to model uncertainty and draw meaningful conclusions from data.

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