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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.
Graduate Sum of non-identical non-central Chi-square random variables.
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MHB Analyzing Depth-first Search Edge Types
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MHB Can You Solve These Challenging AP Stats Problems?
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Undergrad Discrete math study strategy - Tips and advice
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MHB Strict Total Order for Real Numbers
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MHB Stats question about a bell curve
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Graduate Proof of Infinite Integers: A Base-1 Numeral System
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MHB Conditional expected value (using measure theory)
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Graduate Conditional Epectation of Multinomial
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Graduate Mean and weighted mean comparison
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Graduate Example of Stochastic DE for elementary physics?
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Graduate Ultrafilter Richness: Explore Options Beyond AC
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Graduate Natural numbers distributive lattice
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Graduate What Are the Constraints of a Valid Covariance Matrix?
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Undergrad Why Does My Son's Board Game Yield Odd Distribution Patterns with a Special Die?
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MHB Prove that A - (B U C) = (A - B) ∩ (A - C)
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High School What is the difference between permutations and combinations in probability?
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Undergrad Can Technical Analysis Guarantee Profitable Trading?
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Graduate Partner study for grad students on winter break: Success stories?
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Graduate Difficulty with summation of non-central chi-squared random variables
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MHB Why is $X \subset \mathcal{P}X$ true for a transitive set $X$?
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Undergrad Analysis of two treatments with respect to controls
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Graduate Vacuous "If then" statements: Can you use direct proofs?
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MHB Why does the implication hold?
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MHB Proving $\bigcap B$ is an Inductive Set
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Graduate Orientation distribution function
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Graduate Skewed Generalized Gaussian Distribution
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Undergrad Pemutations of n objects not all distinct
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Graduate Probability convolution problem
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Undergrad Permuations and Combinations Problem
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MHB Unbounded subset of ordinals a set?
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Graduate Decoding Gödel Numbers for Sequences: A Constructive Approach
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Undergrad Depdendent, Independent, and Complementary Events
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High School How to Calculate Interest in a Variable Interest Account?
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Undergrad Two measurements from different sources - how to combine?
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Undergrad Can Intersecting Events in Probability be Independent?
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Undergrad Probability question involving picking balls from a bag
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MHB Show that $S(m)=\Theta(m^2)$ with Recurrence Relation
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MHB Proving the Solution of a Recurrence Relation Using Induction
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MHB Solve Recurrence $$T(n)=aT(n-1)+bn^c$$
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Graduate Question regarding proofs and theorems
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Undergrad What is the best method for plotting function parameter errors?
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Graduate Calculating the Number of Ways to Make n with k Integers from Given Ranges
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Undergrad How to get the normalized log-normal distribution equation?
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MHB Determining ratio of a 2 part mix
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Undergrad Probability of Deck of Cards, ignoring suits
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Graduate Solving a inclusion-exclusion problem
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Graduate Mastering Logical Equivalence Proofs: (P<->Q) ⊣ ⊢ ~(P<->~Q)
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MHB Conditional combinatorics (by frequency of elements)
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Undergrad Understanding the Function of Set S in Discrete Mathematics
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MHB Union or Intersection for f(x)=0 When x in A and B
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MHB Minimal successor set - difficult
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MHB Is the language ${L}_{n}$ regular?
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Graduate How Does the Indicator Function Prove 1A U (B∩C) = 1A.(1B + 1C - 1B.1C)?
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Undergrad Interpretation of the maximum value of a CDF
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MHB Proving languages are not regular.
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MHB What is the efficiency of the energy conversion in the cannon bore?
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MHB Result of an increased % when ONLY the result of the OLD % is known
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High School Proportion of Pupils Speaking 3 Languages Out of Total Number of Pupils
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MHB Rewrite as a formal proposition
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MHB Please help with this question (cumulative distribution function of X)
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MHB Probability question (mean, SD)
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Graduate Regression Analysis of Tidal Phases
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MHB Prove No Bijection between x and x^+
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MHB Correcting a 2 x 3 Factorial ANOVA Chart
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MHB Proof related to the expected value of cardinality
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High School Random combination of letter generator
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Graduate Game Theory Q: Proving Player Win w/Axiom of Choice
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MHB Math Logic: Equivalency, Validity, and Consequence
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Undergrad The probability of an event occurring at least x times?
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Undergrad Are all rational numbers normal?
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MHB with Finance Questions - Clarification with Steps
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MHB Show that the function is 1-1 and onto
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Undergrad Pearson Correlation in Sleep Studies
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MHB Solving Linear Recurrence Relations
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Graduate Error Propagation and Uncertainties in Parameters
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MHB Determine dynamics of stochastic differential equations (SDE)
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MHB A question related to cardinality and probability
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High School How to derive a simple profit equation. Kinda embarrassing.
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Undergrad Binomial Distribution and the Classical Definition of Probability
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MHB Equivalence relation-equivalence classes
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MHB Calculate Relations with Hey! (Nerd)
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MHB What Determines When Two Mathematical Functions Are Equal?
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MHB Does it suffice to show these relations?
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MHB When is the set $B \times B$ a function?
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MHB Define Sets $\{x,y\}$ and $x \cup y$
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MHB Why does the inequality stand if there are no common elements?
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MHB Example for which the relation does not stand
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MHB Equivalence Relations: Explaining $I_A$, $\rho^{-1}$ and $\rho \circ \rho$
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MHB What is the meaning of consequence in logic?
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MHB Proving Inverse of 1-1 Function $f$
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MHB Example of Set for Relation Restriction to A
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Graduate Does this make sense? A binomial distribution with a twist.
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MHB How is a Relation a Subset of an Ordered Pair?
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MHB Cartesian Product of Sets: A, B & C
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MHB Why doesn't it come from a cartesian product of sets?
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MHB Is the Cartesian Product of Two Sets Well-Defined?
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Graduate Is ℝ or ℝ2 Bigger in the Upper Right Quadrant of the Unit Square?
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Undergrad T-test: normal probability plot
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MHB Is this a valid method for selecting a Simple Random Sample?
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