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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.
Undergrad Understanding the Relationship Between Logarithmic and Exponential Functions
  • mikeng
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Graduate Nonlinear regression in two or more independent variables
  • maistral
  • · Replies 11 ·
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A good fairy draws from the lottery wheel two successive balls
  • mathmari
  • · Replies 8 ·
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Is Overbooking Probability Calculated Correctly?
  • mathmari
  • · Replies 6 ·
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In how many floors does the elevator have to stop?
  • mathmari
  • · Replies 4 ·
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When do we take which distribution?
  • mathmari
  • · Replies 6 ·
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Calculating Median in a Class with B, D, A, and C Scores: Findings and Solutions
  • Monoxdifly
  • · Replies 3 ·
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What is the Probability of Selecting a White Ball from Two Boxes?
  • mathmari
  • · Replies 10 ·
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Undergrad Linear regression and probability distribution
  • maka89
  • · Replies 19 ·
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Why isn't the circuit a combinatorial one?
  • evinda
  • · Replies 20 ·
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Undergrad Maybe all reals can be listed?
  • Seasons
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Graduate Difference of WMA & EMA on a sinusoid becomes superposed?
  • MisterH
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Undergrad Definition of "equivalent" probability problems?
  • Stephen Tashi
  • · Replies 9 ·
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High School Probabilities associated with temporal uncertainty
  • stevendaryl
  • · Replies 10 ·
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Undergrad Confusion over using integration to find probability
  • Of Mike and Men
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  • Poll Poll
Undergrad The Sleeping Beauty Problem: Any halfers here?
  • Demystifier
  • · Replies 601 ·
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Undergrad Are these alleged equal probabilities really equal?
  • borson
  • · Replies 15 ·
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Graduate Interpreting Models with Multiple Interaction Terms: Gender, Weight, and Height
  • FallenApple
  • · Replies 2 ·
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Graduate What to do ordinal response variable?
  • FallenApple
  • · Replies 6 ·
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6
How do I solve a quadratic inequality using factoring?
  • mathdad
  • · Replies 7 ·
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Graduate Advanced Data Fitting - More than Simple Regressions
  • HumanistEngineer
  • · Replies 7 ·
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Which mean is larger when using algebraic expressions, A. M. or R. M. S.?
  • mathdad
  • · Replies 13 ·
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Can the geometric and arithmetic means be applied to algebraic expressions?
  • mathdad
  • · Replies 9 ·
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9
Linear Regression Gradient Descent: Feature Normalization/Scaling for Prediction
  • Ackbach
  • · Replies 2 ·
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Graduate Separate tests vs Simultaneous tests
  • FallenApple
  • · Replies 7 ·
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Undergrad Are there Issues with Separation of Values in Ordinal Logistic Regression
  • WWGD
  • · Replies 4 ·
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Undergrad Shaky model in least squares fit
  • Gigaz
  • · Replies 5 ·
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Undergrad Calculating Degrees of Freedom for Chi-Squared & P Value
  • lola2000
  • · Replies 5 ·
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High School Correlation vs Causation: What Can Be Inferred?
  • gl0Wyrm
  • · Replies 2 ·
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Is This an Example of Absolute Value Inequalities?
  • mathdad
  • · Replies 4 ·
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Min(a, b) expressed in terms of absolute value
  • mathdad
  • · Replies 17 ·
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What is the Domain of 1/x and 1/[(x - 1)(x + 2)(x - 3)]?
  • mathdad
  • · Replies 2 ·
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What is the domain for variables with cube roots?
  • mathdad
  • · Replies 2 ·
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Undergrad 0/0 and 1/0 different or the same?
  • Mr Indeterminate
  • · Replies 20 ·
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Undergrad Monty Hall Problem -- Questions
  • Jeffdef
  • · Replies 30 ·
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How Can I Prove the Set Operation AX(BΔC) = (AXB)Δ(AXC)?
  • daniel felipe
  • · Replies 1 ·
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Undergrad Question about mathematical induction
  • parshyaa
  • · Replies 10 ·
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Graduate State Space and Probability Theory
  • bhobba
  • · Replies 2 ·
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Undergrad Is this a Poisson distribution problem?
  • lavoisier
  • · Replies 7 ·
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Undergrad Bayes again - how to interpret in vitro genotoxicity data
  • lavoisier
  • · Replies 8 ·
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High School Natural Numbers and Odd Numbers
  • davidge
  • · Replies 17 ·
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Undergrad How Does Probability Affect the Total Number of Coupons a Customer Can Expect?
  • KFC
  • · Replies 2 ·
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Graduate Probability of Surface Realization Above Black Line in Gaussian Process Puzzle
  • maka89
  • · Replies 6 ·
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What are the intervals on the number line for |x| < 2 and |x| > 0?
  • mathdad
  • · Replies 10 ·
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Undergrad How to determine energy savings from weather and usage data
  • Raddy13
  • · Replies 1 ·
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What are the intervals on the number line for | x + 5 | ≥ 2?
  • mathdad
  • · Replies 2 ·
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Partial Order Relation and Equivalence Relation
  • Yankel
  • · Replies 5 ·
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Undergrad What is the impact of preprogrammed velocities on roulette probabilities?
  • borson
  • · Replies 4 ·
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Undergrad What Are Logical Operators in Electronic Circuits?
  • Jamison Lahman
  • · Replies 3 ·
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Undergrad What is an Axiom? Definition & Examples
  • Silviu
  • · Replies 10 ·
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Graduate Transcription from SQL to FOL (First Order Logic)
  • WWGD
  • · Replies 3 ·
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Partial Order Relation where the Set is not Necessarily Finite
  • Yankel
  • · Replies 6 ·
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Graduate First order logic : Predicates
  • radouani
  • · Replies 3 ·
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Partial Order Relation on a Functions Set
  • Yankel
  • · Replies 3 ·
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Graduate Busy Beaver Function: Range of BB Sets
  • SSequence
  • · Replies 16 ·
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Graduate Can Somebody solve the Rich Investor's Paradox?
  • WWW Mechanical PE
  • · Replies 8 ·
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High School Sweets in a bag probability problem
  • thebosonbreaker
  • · Replies 5 ·
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Graduate P vs NP Guessing and process of elimination
  • Anders Serup Poulsen
  • · Replies 6 ·
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Graduate Testing if probability is the same for two groups
  • FallenApple
  • · Replies 1 ·
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High School Subsets of Rational Numbers and Well-Ordered Sets
  • SSequence
  • · Replies 2 ·
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Undergrad Constructing Index: Combining Financial Time Series
  • Tosh5457
  • · Replies 5 ·
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Undergrad Checking for Biased/Consistency
  • Jmath
  • · Replies 1 ·
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What Is the Profit Percentage After Adjusting Travel Costs and Sale Gains?
  • Bees
  • · Replies 1 ·
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Graduate Keeping Randomized Variable in Regression?
  • FallenApple
  • · Replies 2 ·
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High School What Does the Notation = in Equivalence Classes Conclude to?
  • kidsasd987
  • · Replies 1 ·
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Combinatorics problem : circle hopscotch
  • bio
  • · Replies 3 ·
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Different Number of Equivalence Relations
  • Yankel
  • · Replies 4 ·
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Graduate Interpreting the Association Between y and x while Holding the Group Constant
  • FallenApple
  • · Replies 3 ·
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High School What is the role of tautology in an axiomatic system and proof?
  • kidsasd987
  • · Replies 2 ·
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High School Help me understand: "is it consistent with itself?"
  • pairofstrings
  • · Replies 15 ·
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Proving Set Equality: {A ∪ (B ∩ C')} ∪ A ∪ C = A
  • khoo
  • · Replies 1 ·
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Graduate Should I be concerned about collinearity in my crime rate prediction model?
  • FallenApple
  • · Replies 4 ·
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Graduate Difference between LMEs and GLMMs?
  • FallenApple
  • · Replies 1 ·
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High School Understanding r^2 and the Role of Square Root in Data Analysis
  • Hammad Shahid
  • · Replies 2 ·
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Probability of AND vs. OR: Understanding the difference and formulas
  • mathdad
  • · Replies 3 ·
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What Is the Correct Way to Calculate the Probability of Flipping Heads?
  • mathdad
  • · Replies 7 ·
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Graduate Do Residuals Always Sum to Zero in Regression Analysis?
  • FallenApple
  • · Replies 4 ·
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Undergrad How to select a normalization method?
  • morenopo2012
  • · Replies 1 ·
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Solve Ratio Problem: Jackson's Votes in Mayor Election Explained
  • ScrewedIre
  • · Replies 1 ·
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Undergrad Can a truly random number be constructed?
  • PeroK
  • · Replies 41 ·
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Undergrad Jump probability of a random walker
  • grquanti
  • · Replies 11 ·
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High School Viability of log-log transformation for some data
  • RubinLicht
  • · Replies 1 ·
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How many different ways can the five of my nephews be given apples?
  • mathdad
  • · Replies 4 ·
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High School Understanding Probability: Why Do We Divide by 2 in Certain Situations?
  • Mr Real
  • · Replies 2 ·
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Probability of Turning into a Bird
  • mathdad
  • · Replies 5 ·
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Graduate Stochastic differential equations with time uncertainty....
  • asimov42
  • · Replies 7 ·
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What is the Probability of the Rapture Happening in Our Lifetime?
  • mathdad
  • · Replies 6 ·
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Undergrad Understanding Jensen's Inequality: Equal Conditions
  • Steve Zissou
  • · Replies 5 ·
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Probability: Replacement & Without Replacement
  • mathdad
  • · Replies 12 ·
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What is the Probability of No Rain Tomorrow?
  • mathdad
  • · Replies 4 ·
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Undergrad Population Estimation: 1000 Females, 25yrs-100yrs & 3 Kids/Female
  • marian0567
  • · Replies 1 ·
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Undergrad Ordinal Arithmetic: Proving X is Countably Compact
  • Gear300
  • · Replies 1 ·
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High School Is Percentile Rank a Lower or Upper Bound?
  • Silviu
  • · Replies 7 ·
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What is probability and how does it relate to precalculus?
  • mathdad
  • · Replies 2 ·
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Undergrad Participant non-compliance: How to include data in analysis
  • Carmen_41
  • · Replies 3 ·
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Graduate Leaving out a confounder in longitudinal regression?
  • FallenApple
  • · Replies 2 ·
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Undergrad Density, distribution and derivative relationship (stats)
  • Andrea94
  • · Replies 9 ·
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Undergrad If symmetric then transitive relation
  • rajeshmarndi
  • · Replies 4 ·
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How Much Pure Disinfectant is Needed to Increase Solution Strength by 25%?
  • mathdad
  • · Replies 6 ·
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What is the principle when borrowing $3100 at 15% per three years?
  • mathdad
  • · Replies 2 ·
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