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.

Threads

Cardinality of a infinite subset

  • lamsung
  • · Replies 1 ·
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Graduate How Is the Permutation Approximation Proven for Large N?

  • ppedro
  • · Replies 7 ·
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7

Graduate Confusing Axiomatic Set Theory Proof

  • darkchild
  • · Replies 1 ·
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1

Undergrad Are batch results declining over time and can I predict future performance?

  • msticky
  • · Replies 1 ·
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1

Graduate Need Some Mathematical Guidance Regarding Random Variables

  • joshthekid
  • · Replies 2 ·
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2

Graduate Cantors diagonalization argument

  • aaaa202
  • · Replies 1 ·
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1

Graduate Why use the word 'theory' instead of 'law'

  • spaghetti3451
  • · Replies 12 ·
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12

How to Prove Stirling Numbers of the First Kind for s(n,3)?

  • alyafey22
  • · Replies 1 ·
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1

Logic puzzle: 111 people guessing jewels in boxes

  • alane1994
  • · Replies 3 ·
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3

High School Does this small odd and even proof works?

  • Seydlitz
  • · Replies 8 ·
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8

Undergrad Can Binomial Distribution Be Used for Small Populations?

  • QuickLoris
  • · Replies 4 ·
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4

Proving 0<1 with Axioms: A+B=B+A, A.B=B.A, and More!

  • solakis1
  • · Replies 2 ·
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2

Graduate Russel's Paradox in Naive Set Theory

  • EricJRose83
  • · Replies 9 ·
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9

Proving S is an equivalence relation on real numbers

  • henry1
  • · Replies 2 ·
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2

A basic Problem with two boxes

  • Khelil
  • · Replies 7 ·
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7

Math Word Problem - price and yield of T-bill

  • Joystar77
  • · Replies 1 ·
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1

Graduate Non-Parametric Testing for Widget Defectivity: Sample Size Considerations

  • DeShark
  • · Replies 5 ·
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5

Graduate Define the function of density of the random variable Y.

  • jeka131404
  • · Replies 2 ·
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2

How Do You Calculate the Number of Patients Hospitalized for More Than 3 Days?

  • Lspencer2121
  • · Replies 5 ·
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5
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Graduate Suppose that A\B is disjoint from C and x εA.prove that if xεC then xε

  • bean29
  • · Replies 3 ·
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3

Undergrad Prove that if x≠0 then if y= 3x^2+2y/x^2+2 then y=3

  • bean29
  • · Replies 3 ·
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3

Undergrad Can we prove that x>1 implies y<1 if 3x+2y≤5 for real numbers x and y?

  • bean29
  • · Replies 3 ·
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3

Undergrad What is the probability of a group of 800 people sharing a specific birthday?

  • elementbrdr
  • · Replies 8 ·
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8

High School Intersection of two independent events

  • Avichal
  • · Replies 5 ·
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5

Undergrad Looking for the logic behind this

  • cdux
  • · Replies 5 ·
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5

Graduate Proving A ∩ B ⊆ C from disjoint sets A and B\C

  • eddiep1993
  • · Replies 2 ·
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2

Undergrad To find mean wedivide the sum of no.s with 'n'for variance why 'n-1'

  • dexterdev
  • · Replies 4 ·
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4

Undergrad Multiplying the probabilities of two disjoint sets.

  • cdux
  • · Replies 16 ·
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16

High School Why is the material conditional truth table counterintuitive?

  • MathWarrior
  • · Replies 3 ·
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3

Graduate Question Concerning Probability Systems

  • EricJRose83
  • · Replies 7 ·
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7

Undergrad Combinations with Irregular Repetition

  • Strymon
  • · Replies 3 ·
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3

Undergrad Can I Create a Fair Match Schedule for a Competition with Less Than 60 Teams?

  • JoeOfTexas
  • · Replies 2 ·
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2

An urban highway has a speed limit of 50 km/ h

  • karush
  • · Replies 6 ·
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6

Graduate Question Concering Recursive Systems

  • EricJRose83
  • · Replies 10 ·
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10

Graduate The axiom of choice one a finite family of sets.

  • gottfried
  • · Replies 5 ·
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5

Undergrad Solving Probability of Process: Sketching Functions & Annual Savings

  • zaka
  • · Replies 1 ·
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1

Equivalence Relation: Partition of {a,b,c} - Andy

  • andydoinmath
  • · Replies 1 ·
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1
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11

Half-Life of Radioactive Waste: 150,000 Years

  • Joystar77
  • · Replies 4 ·
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4

How Do You Solve a Venn Diagram Problem Involving Set Operations?

  • karush
  • · Replies 9 ·
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9

Graduate Average size of connected components in grid

  • mXSCNT
  • · Replies 3 ·
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3

What is the Probability of Getting 13 out of 46?

  • karush
  • · Replies 4 ·
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Undergrad Basic confusion about a linear order.

  • gottfried
  • · Replies 6 ·
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Graduate Inferring probability from a regularized quadratic loss cost function

  • hosseinGhafari
  • · Replies 7 ·
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Graduate Integration described by first-order logic?

  • schlynn
  • · Replies 2 ·
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2

Undergrad Which stats test to use in this situation

  • TrpnBils
  • · Replies 3 ·
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3

Graduate Understanding Well-Ordered Sets: Definition & Discrepancies

  • aleph-aleph
  • · Replies 9 ·
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Graduate Can I omit using an indicator function when estimating an MLE?

  • cdux
  • · Replies 3 ·
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3

Graduate What is the Expected Number of Cycles in a Random Function?

  • Dragonfall
  • · Replies 4 ·
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4

What is the Probability of Grouping All Red Marbles Together?

  • sscs
  • · Replies 2 ·
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Graduate Conditional mean of multivariate normal with subset fixed

  • lequan
  • · Replies 2 ·
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Undergrad How do you estimate the sample size of a population given that there i

  • EdmureTully
  • · Replies 1 ·
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Graduate Challenge IX: Dealing with Mod 1 solved by mfb

  • micromass
  • · Replies 5 ·
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5

Display information on a normal curve

  • CosmoK123456
  • · Replies 1 ·
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1

Graduate Definition of mathematical object

  • phoenixthoth
  • · Replies 26 ·
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26

Expected spins until all three spinner outcomes appear

  • M R
  • · Replies 4 ·
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4

Graduate How do we know axioms are sufficient?

  • Avichal
  • · Replies 8 ·
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8

How to Use Variables m and n in a Coin-Flipping Probability Problem?

  • Khelil
  • · Replies 5 ·
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5

Graduate Physical significance of eigen vectors of Covariance matrix

  • dexterdev
  • · Replies 2 ·
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2

-aux.15.IB23.family of functions .calculate the probability

  • karush
  • · Replies 2 ·
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-aux07.Venn diagram -about 120 students in a school

  • karush
  • · Replies 3 ·
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-aux.01 Venn diagram universal set U and sets A and B.

  • karush
  • · Replies 3 ·
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Graduate The significance of pi in a markov chain

  • fahey32
  • · Replies 2 ·
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-aux.02 Venn diagram sample space U and events A and B

  • karush
  • · Replies 3 ·
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Solving Probability w/ Cards: Answers & Explanations

  • CosmoK123456
  • · Replies 2 ·
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Did I Multiply Correctly for Coffee Preferences?

  • CosmoK123456
  • · Replies 1 ·
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1

Graduate Bias of an estimator: Can you confirm that I am doing this right?

  • LoadedAnvils
  • · Replies 6 ·
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6

Graduate Probability density function

  • aaaa202
  • · Replies 3 ·
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Undergrad Why is 5!/(5-5)! undefined when seating 5 people in 5 chairs?

  • CuriousBanker
  • · Replies 11 ·
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Graduate How does the universal quantifier change what a variable means?

  • cra18
  • · Replies 4 ·
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4

Techniques for proving set identities and disjoint products

  • paulmdrdo1
  • · Replies 3 ·
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3

Graduate Summation of random sequences and convolution in pdf domain?

  • dexterdev
  • · Replies 7 ·
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7

Graduate Ordinal Property of Subsets in Well-Ordered Sets

  • jostpuur
  • · Replies 1 ·
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1

Fleury's Algorithm: Finding Next Edge

  • Joystar77
  • · Replies 1 ·
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1

Does K5 contain Eulerian circuits? (why?) If yes, draw them.

  • buchi
  • · Replies 4 ·
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4

Venn diagram for associative property of union

  • bergausstein
  • · Replies 9 ·
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6

Does K5 have Eulerian circuits?

  • Joystar77
  • · Replies 13 ·
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13

Undergrad Can someone describe why this answer is incorrect?

  • cdux
  • · Replies 6 ·
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6

5 Vertices Denoted by K5 part B

  • Joystar77
  • · Replies 26 ·
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26

Does the graph G with varying vertex degrees have an Eulerian path?

  • Joystar77
  • · Replies 3 ·
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3

Undergrad How to calculate general trendline for a time series

  • ateixeira
  • · Replies 3 ·
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3

Graduate Combining probability distribution functions

  • hermano
  • · Replies 5 ·
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5

Degrees of Vertices IV: Graph is a Tree?

  • Joystar77
  • · Replies 2 ·
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2

Degrees of Vertices II: 8 Edges in G

  • Joystar77
  • · Replies 1 ·
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1

Degrees of Vertices I: Is it Possible?

  • Joystar77
  • · Replies 1 ·
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1

Counting walks of length 2 in K5 using adjacency matrices

  • Joystar77
  • · Replies 6 ·
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6

Undergrad Conditional probability of several events? (sports-related)

  • hb1547
  • · Replies 1 ·
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1

Does K5 contain Hamiltonian circuits?

  • Joystar77
  • · Replies 4 ·
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4

Noelia's question at Yahoo Answers regarding use of a Venn diagram

  • MarkFL
  • · Replies 1 ·
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1

-aux.18.A fair coin is tossed 8 times.

  • karush
  • · Replies 8 ·
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Graduate A couple of questions on set theory

  • Dods
  • · Replies 132 ·
5
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132

Undergrad Probability via logistic regresison

  • error404
  • · Replies 1 ·
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Graduate Regarding probability bound of flip coins

  • f24u7
  • · Replies 4 ·
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4
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6

Undergrad How to prove Distractive dilemma ?

  • phydis
  • · Replies 2 ·
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2

Undergrad Number of Possible Outcomes w/ Restrictions (Coin Toss)

  • ProbQ
  • · Replies 6 ·
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6