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.
Graduate What are the domain and range of this function?
  • · Replies 7 ·
Replies
7
Views
7K
Undergrad Probability related to an Appointment Scheduling Simulation
  • · Replies 1 ·
Replies
1
Views
3K
Graduate How Can I Prove There Are c Sequences of Rational Numbers?
  • · Replies 3 ·
Replies
3
Views
3K
High School Fraction,Percent, Ratio Problem
  • · Replies 2 ·
Replies
2
Views
10K
High School What Are the Remainders When Dividing Consecutive Integers by 3?
  • · Replies 7 ·
Replies
7
Views
4K
Graduate Explaining Stationarity Theory: Proving/Predicting the Universe's Path
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad Hashing Function: Examples, Uses & Explanation
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Probability of Sum of Dice Rolls for Positive Integer "m
  • · Replies 9 ·
Replies
9
Views
6K
Graduate Cardinality of continuous functions f:R->R.
  • · Replies 14 ·
Replies
14
Views
13K
Graduate Optimizing Data Sampling for Probabilities
  • · Replies 6 ·
Replies
6
Views
4K
Graduate Cardinality of concave polygons' set.
  • · Replies 12 ·
Replies
12
Views
5K
Undergrad A Possibly easy for you, but hard for me Question about Sudoku
  • · Replies 1 ·
Replies
1
Views
4K
Graduate Questions about coverings and some odd question.
  • · Replies 34 ·
2
Replies
34
Views
6K
Undergrad What is the Best Way to Get Started in Data Mining?
  • · Replies 2 ·
Replies
2
Views
4K
Undergrad What is the probability of a needle hitting a line on graph paper?
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad How many children do Person X and Y have?
  • · Replies 5 ·
Replies
5
Views
3K
Graduate Direct simple solution of the envelopes paradox
  • · Replies 0 ·
Replies
0
Views
3K
Graduate Probability of coin and markov transition matrix
  • · Replies 2 ·
Replies
2
Views
6K
Graduate What is the Probability of a DNA Match in Crime Scene Forensics?
  • · Replies 8 ·
Replies
8
Views
4K
Graduate A problem with the standard solution of the two envelopes paradox
  • · Replies 39 ·
2
Replies
39
Views
11K
Undergrad Can an Ink Stain Always Be Avoided with a 1 x 1 cm Net on Paper?
  • · Replies 9 ·
Replies
9
Views
3K
Graduate Is Rabc a Valid Formula in Predicate Logic?
  • · Replies 3 ·
Replies
3
Views
4K
Undergrad How Can You Efficiently Enumerate Combinations of Bits in Programming?
  • · Replies 19 ·
Replies
19
Views
6K
Graduate Example of Set X with Two Topologies: Continuous But Not Homeomorphic
  • · Replies 7 ·
Replies
7
Views
5K
Undergrad Conditional probability equation, how is it derived?
  • · Replies 6 ·
Replies
6
Views
12K
Graduate Proving |A|<=Aleph Null with Function f:A->B and |B|<=Aleph Null
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad Empty Set & Subset: Does it Sound Right?
  • · Replies 18 ·
Replies
18
Views
8K
Undergrad Finding Probability with Mean and Poisson Distribution
  • · Replies 13 ·
Replies
13
Views
3K
Can We Live in Two Places at Once?
  • · Replies 3 ·
Replies
3
Views
3K
Graduate How Can Monotone Functions Have Only Countably Many Discontinuities?
  • · Replies 5 ·
Replies
5
Views
7K
Graduate Finding a Lower Bound on $\Sigma$ Function w/Green(1964)
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Proving Reflexive Closure of a Relation on a Set
  • · Replies 3 ·
Replies
3
Views
3K
High School Calculating a GPA from numerous assignment and test grades
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Is an open interval in R really uncountable?
  • · Replies 3 ·
Replies
3
Views
5K
Graduate Statistical Significance Question
  • · Replies 7 ·
Replies
7
Views
4K
Undergrad Determining Sample Size for Statistical Significance
  • · Replies 9 ·
Replies
9
Views
5K
High School Understanding Logarithms - Find log2, log2.0*10^24 and log5
  • · Replies 6 ·
Replies
6
Views
2K
Undergrad Could someone explain the difference ?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Maximizing profit, anybody wanna help?
  • · Replies 7 ·
Replies
7
Views
8K
Graduate Can Monte Carlo Methods be Used to Solve Infinite-State Integral Equations?
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad Having Trouble Understanding Chi Squared Stuff
  • · Replies 3 ·
Replies
3
Views
4K
Undergrad What is the Probability of Each Customer Getting a DVD in a Rental System?
  • · Replies 2 ·
Replies
2
Views
11K
Undergrad How many possible combinations can be made from 6 codons using base pairs?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Hypothesis Testing: How to Recognize Ho & Ha
  • · Replies 2 ·
Replies
2
Views
4K
High School What is binomial distribution and how does it work?
  • · Replies 6 ·
Replies
6
Views
9K
Discover the Best Probability Book by Fella: A Review and Recommendation
  • · Replies 3 ·
Replies
3
Views
5K
Undergrad Solving Discrepency Events - What Statistical Measure to Use?
  • · Replies 6 ·
Replies
6
Views
3K
Undergrad Calculating Investment Growth: $5,000 to $7,500 at 8% Interest
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Zorn's lemma without the axiom of choice
  • · Replies 26 ·
Replies
26
Views
6K
Graduate Probability of No Encounter Between Crawling Ants on a Polyhedron
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad Can Dr. Easy Reject the Null Hypothesis in the EN-100 Test Analysis?
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad Independent trials, dependent condition
  • · Replies 3 ·
Replies
3
Views
5K
Undergrad Probability: Foreign vs Local in a City
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Calculate Gross Tax only knowing Net Earnings
  • · Replies 2 ·
Replies
2
Views
12K
Undergrad Maximizing College Counselor Accuracy: A, B, or C?
  • · Replies 12 ·
Replies
12
Views
3K
Graduate Sets: Proving Y^(XU{x})=(Y^X)x(Y^{x}) with Finite Sets and Singleton {x}
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad How Is the Average Age of Trees in a Town Calculated?
  • · Replies 12 ·
Replies
12
Views
3K
Undergrad What is the Remainder when Dividing a Number with 1000 Ones by 1001?
  • · Replies 2 ·
Replies
2
Views
2K
High School How to Use a:b for Proportions & Fractions
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Addition Theorem Proof - Foundations of Analysis by Edmund Landau
  • · Replies 21 ·
Replies
21
Views
5K
Graduate Is my Predicate Logic Solution Correct?
  • · Replies 3 ·
Replies
3
Views
6K
High School Permutation and combination problem
  • · Replies 7 ·
Replies
7
Views
4K
Undergrad Can someone explain this to me? full answer written, probabilty
  • · Replies 2 ·
Replies
2
Views
9K
Graduate The conncetion between logic and topology.
  • · Replies 3 ·
Replies
3
Views
3K
Graduate Joint and conditional distributions
  • · Replies 3 ·
Replies
3
Views
3K
High School Central Limit Theorem: Fisheries Management
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad Is Trial Division Primality Check Considered in Polynomial Time?
  • · Replies 2 ·
Replies
2
Views
4K
Graduate Can a Three-State Logic System Revolutionize Computing?
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Is P(\Omega) Equal to 1 in Bernoulli Trials?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Is a Two-Sided t-Test Appropriate for Comparing Doctor Care Hours?
  • · Replies 1 ·
Replies
1
Views
4K
Undergrad Writing a model to represent data set ?
  • · Replies 2 ·
Replies
2
Views
4K
Undergrad Timeless Texts: Top Probability Books for Undergrad and Grad Students
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad Determining sample size needed to test hypothesis
  • · Replies 1 ·
Replies
1
Views
6K
Graduate The definition of random sample mean and convergence
  • · Replies 1 ·
Replies
1
Views
6K
Undergrad Can Maximum Likelihood Estimation Yield Multiple Solutions?
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Calculating Standard Deviation After Normalizing Data
  • · Replies 1 ·
Replies
1
Views
13K
Undergrad Convert Spearman Rank Test Correlation to P-Value
  • · Replies 1 ·
Replies
1
Views
7K
Undergrad Statistical Significance for 3 samples
  • · Replies 1 ·
Replies
1
Views
7K
Undergrad Comparing two averages with different group sizes
  • · Replies 1 ·
Replies
1
Views
11K
Graduate Is a Cubed Normally Distributed Variable Still Normal?
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad Solving Probability Problems: Binomial & Poisson Distribution Formulas
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad Another poisson distribution question
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Set Theory Q: Is |P(A)| = |P(B)| iff A=B? Hints Needed
  • · Replies 7 ·
Replies
7
Views
3K
Undergrad I'm not sure I understand the problem, can someone clarify?
  • · Replies 8 ·
Replies
8
Views
4K
Undergrad What are Subset Pairs as mentioned in this problem?
  • · Replies 7 ·
Replies
7
Views
6K
Undergrad Poisson Distribution: Doubling Time Effects
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad Somthing went wrong, A sample of 5 is selected from 40 (image included)
  • · Replies 2 ·
Replies
2
Views
4K
Undergrad Counting problem, exactly 5 heads obtained, coin
  • · Replies 2 ·
Replies
2
Views
14K
Undergrad Probabilty of sequential deaths
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad Comparing the Probability of Events: Is the Difference Greater Than Expected?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Compute 6^100 and 5^100 (mod 13): Solving the Mod Problem with Expert Help
  • · Replies 13 ·
Replies
13
Views
3K
Undergrad How Is Russell's Paradox Resolved?
  • · Replies 9 ·
Replies
9
Views
8K
Undergrad Calculating Probabilities with Binomial Distribution
  • · Replies 5 ·
Replies
5
Views
3K
Graduate Conditionally independent with a Random Chain.
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Understanding Proof Writing: Why We Use 3) instead of 4)
  • · Replies 4 ·
Replies
4
Views
3K
High School Calculating Logs: Solving Log_{10}(1.8)
  • · Replies 8 ·
Replies
8
Views
6K
Undergrad Suppose x is a discrete, binomial random variable
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Probability of Bob Being Infected with Spread of Disease
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Monty Hall - a conundrum within a conundrum
  • · Replies 21 ·
Replies
21
Views
8K
High School What's the difference between = and <=> in logical statements?
  • · Replies 14 ·
Replies
14
Views
3K