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Mathematics
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.
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How Many Pairs (X, Y) Meet the Condition X² + Y² ≤ N²?
Oct 15, 2013
Replies
6
Views
4K
MHB
Proving (n/2)^n > n > (n/3)^n for all n > 6
Oct 15, 2013
Replies
6
Views
2K
MHB
How many words can be formed from the word SUCCESS without any repeated letters?
Oct 14, 2013
Replies
2
Views
2K
MHB
Prove this fibonacci sequence w/o binet formula
Oct 14, 2013
Replies
1
Views
2K
Students t-distribution Derivation
Oct 14, 2013
Replies
1
Views
4K
How can I generate a two-tailed power law distribution for stock market returns?
Oct 14, 2013
Replies
3
Views
3K
MHB
Write ⊆ or ∈ in the space provided: {Please Check My Solution}
Oct 14, 2013
Replies
3
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2K
What is the Measure of an Unbounded Set in Lebesgue Outer Measure Theory?
Oct 14, 2013
Replies
2
Views
3K
MHB
Unlock the Mystery of Tricky Joint PDF with Expert Tips | Attached Image
Oct 14, 2013
Replies
2
Views
2K
MHB
Inequality proof w/ induction, 2 unknowns
Oct 14, 2013
Replies
5
Views
2K
MHB
Proving that not every non-empty set of integers has a least element
Oct 13, 2013
Replies
4
Views
6K
Several Questions about Combinatrics and Probability Questions
Oct 13, 2013
Replies
7
Views
6K
MHB
Log likelihood function and EM algorithm
Oct 13, 2013
Replies
16
Views
4K
MHB
What Common Mistakes Occur When Calculating Moment Generating Functions (MGFs)?
Oct 13, 2013
Replies
3
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2K
Quotient set of an equivalence relation
Oct 12, 2013
Replies
3
Views
4K
MHB
CDF, and setting the integral for this
Oct 12, 2013
Replies
4
Views
2K
MHB
Simplifying a Messy Question - Any Help Appreciated!
Oct 12, 2013
Replies
5
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2K
What is the correct way of describing this change - mean or median?
Oct 11, 2013
Replies
5
Views
6K
What does it mean to be generated by the singletons or a collection of sets?
Oct 11, 2013
Replies
10
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12K
Transformation of f(x,y) = 1 to f(z) where Z=XY
Oct 10, 2013
Replies
5
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11K
Expected value of X*exp(X) for X normally distributed
Oct 9, 2013
Replies
3
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6K
Probability Density of a Constrained Chi-Square
Oct 9, 2013
Replies
4
Views
4K
MHB
Write this statement using the logical symbols
Oct 7, 2013
Replies
1
Views
2K
MHB
What Does the Inequality x >= y Mean?
Oct 7, 2013
Replies
2
Views
2K
MHB
Can PMF and MGF Be Directly Summed for Poisson and Exponential Variables?
Oct 7, 2013
Replies
3
Views
2K
Need help understanding notation
Oct 7, 2013
Replies
1
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2K
Naive (intuitive) definition of set
Oct 6, 2013
Replies
10
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4K
Gamma Func Help: Solve F(alpha+1)=alpha*F(alpha)
Oct 6, 2013
Replies
1
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2K
Generating a probability density function
Oct 4, 2013
Replies
1
Views
4K
Increase Accuracy of Program: How Many Subjects Needed?
Oct 4, 2013
Replies
5
Views
4K
Looking to discuss the philosophical foundations of mathematic
Oct 3, 2013
Replies
2
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2K
Question answer I don't understand
Oct 3, 2013
Replies
3
Views
7K
Effectiveness of a Boolean test
Oct 3, 2013
Replies
3
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2K
Q: How does the probability of winning the car change in the Monty Hall problem?
Oct 2, 2013
Replies
9
Views
3K
How Can You Solve 10^x = 2 Without a Calculator?
Oct 2, 2013
Replies
3
Views
2K
MHB
What does the notation | | mean?
Oct 1, 2013
Replies
5
Views
2K
MHB
Proof By Induction: Proving Divisibility of 3^2n-1 by 8
Sep 30, 2013
Replies
7
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2K
Normal distribution and Null hypothesis
Sep 30, 2013
Replies
2
Views
4K
MHB
Prove the following Logic Property
Sep 30, 2013
Replies
10
Views
3K
Mental Blank / Hopefully easy question
Sep 29, 2013
Replies
2
Views
2K
MHB
Total no. of positive integer ordered pairs (n,r)
Sep 28, 2013
Replies
5
Views
2K
Propagation of error with sliding window of measurement
Sep 28, 2013
Replies
1
Views
2K
How to prove that a gaussian rv multiplied by a sine also guassian ?
Sep 28, 2013
Replies
5
Views
3K
MHB
Mean and variance from a probability distribution function
Sep 27, 2013
Replies
2
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3K
Probability of dealing the final blow
Sep 27, 2013
Replies
6
Views
3K
Normal distribution negative values
Sep 26, 2013
Replies
6
Views
15K
Where can I find a list of proof identities?
Sep 25, 2013
Replies
1
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3K
MHB
Mgf of continuous random variables
Sep 24, 2013
Replies
2
Views
2K
How Many Students on a School Bus Are Not Enrolled in Sports?
Sep 24, 2013
Replies
8
Views
3K
Rolling Two 3s: Probability & Combinations
Sep 24, 2013
Replies
9
Views
3K
Beta distribution: trivial question
Sep 23, 2013
Replies
2
Views
2K
MHB
How to Calculate the Sum of 5-Digit Numbers Using Specific Digits?
Sep 23, 2013
Replies
2
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2K
MHB
Calculating the Total Sum of 5-Digit Numbers with and without Repetition
Sep 23, 2013
Replies
2
Views
2K
MHB
Strong induction hypothesis for statement about connected graphs
Sep 23, 2013
Replies
4
Views
2K
Is the Original Exercise Formulation in My Textbook Incorrect?
Sep 20, 2013
Replies
1
Views
2K
MHB
Conditional expectation of joint PMF
Sep 20, 2013
Replies
2
Views
2K
MHB
Finding the CDF: Solving for c & Understanding Results
Sep 19, 2013
Replies
4
Views
3K
Counting Distinct Group Combinations
Sep 18, 2013
Replies
5
Views
2K
MHB
Can a bipartite graph have two non-connected parts?
Sep 18, 2013
Replies
1
Views
7K
Understanding Conditional Probability with Dependent Variables
Sep 17, 2013
Replies
4
Views
3K
Kurtosis/4th central moment in terms of mean and variance
Sep 17, 2013
Replies
11
Views
11K
MHB
Show that a quantified statement is true:
Sep 16, 2013
Replies
2
Views
2K
MHB
Finding Marginal PDFs: Need Help With Integrating Complex Expressions?
Sep 16, 2013
Replies
1
Views
2K
MHB
PDF of X^2: General Method & Question Answered
Sep 16, 2013
Replies
1
Views
2K
Gaussian Distrib: What is Standard Deviation of Mean?
Sep 16, 2013
Replies
3
Views
3K
Sum of signal and its probability density (special case )
Sep 16, 2013
Replies
1
Views
2K
MHB
Counting proof of the addition rule
Sep 15, 2013
Replies
2
Views
2K
How to sample subspaces uniformly
Sep 15, 2013
Replies
2
Views
2K
MHB
How Should I Calculate Optimal Risk/Reward in Forex Trading?
Sep 14, 2013
Replies
7
Views
3K
Are those solutions equivalent?
Sep 14, 2013
Replies
5
Views
2K
3 paper dots fall from a 3-hole punch
Sep 14, 2013
Replies
19
Views
6K
Can we prove every number is even or odd without induction?
Sep 14, 2013
Replies
10
Views
4K
Chance of Game Ending in 5 trials: Exam Question Analysis
Sep 14, 2013
Replies
7
Views
2K
MHB
Use Algebraic Manipulation Part 2
Sep 14, 2013
Replies
5
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3K
MHB
Tips for Creating an Effective Resume
Sep 14, 2013
Replies
6
Views
2K
MHB
Converse,the contrapositive and the inverse of these condition
Sep 14, 2013
Replies
5
Views
7K
MHB
How Can Algebraic Manipulation Prove the Consensus Property in Logic Circuits?
Sep 13, 2013
Replies
3
Views
4K
Is Cardinality of Empty Set an Axiom or Can it be Proven?
Sep 13, 2013
Replies
13
Views
5K
MHB
Conditional expectation proof question
Sep 12, 2013
Replies
1
Views
2K
Broken Stick Model: Use & Expected Length
Sep 11, 2013
Replies
5
Views
4K
Find E[(X-mu)^k] - Normal Random Variable
Sep 11, 2013
Replies
6
Views
3K
MHB
Is the Set of Non-Negative Integers Formed by $a-dx$ Always Nonempty?
Sep 11, 2013
Replies
5
Views
2K
How to evaluate this probability
Sep 11, 2013
Replies
6
Views
3K
Example involving conditional probability and transitivity
Sep 10, 2013
Replies
5
Views
4K
MHB
What is the probability density for a given exponential functional integral?
Sep 10, 2013
Replies
2
Views
2K
Is an expected value of fx(x) the same as this expected value?
Sep 9, 2013
Replies
1
Views
2K
There are 4 boxes. One of them contains a lottery ticket
Sep 8, 2013
Replies
9
Views
4K
MHB
How Does De Morgan's Law Apply to Probability Logic?
Sep 7, 2013
Replies
1
Views
2K
MHB
How Does Strong Induction Prove Consistency in the Pile Splitting Problem?
Sep 6, 2013
Replies
11
Views
5K
Cardinality as the natural numbers
Sep 6, 2013
Replies
13
Views
4K
Could Someone Explain Partial Dependence to me?
Sep 4, 2013
Replies
10
Views
4K
Does Revealing a Real Coin Change Odds in the Modified Monty Hall Problem?
Sep 4, 2013
Replies
3
Views
3K
Why was the moment generating function defined and what is its purpose?
Sep 4, 2013
Replies
4
Views
3K
95% Confidence of weighted average
Sep 4, 2013
Replies
7
Views
16K
Probability P(A' and B') of disjoint events.
Sep 3, 2013
Replies
1
Views
2K
MHB
Can we prove $3^n > n^3$ for all $n \geqslant 4$ using induction?
Sep 3, 2013
Replies
6
Views
2K
Proving with contrapositive methode instead of contradition
Sep 2, 2013
Replies
3
Views
2K
MHB
Cardinality of a infinite subset
Sep 2, 2013
Replies
1
Views
2K
MHB
Probability that all N_Q packets arrived in [0,t], in a Poisson process
Sep 2, 2013
Replies
1
Views
2K
Confusing Axiomatic Set Theory Proof
Sep 1, 2013
Replies
1
Views
2K
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