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Record W3102282691 · doi:10.5951/mt.96.4.0258

The Play-off Probability Problem

2003· article· en· W3102282691 on OpenAlexaboutno aff
Murray L. Lauber

Bibliographic record

VenueMathematics Teacher Learning and Teaching PK-12 · 2003
Typearticle
Languageen
FieldMathematics
TopicStatistics Education and Methodologies
Canadian institutionsnot available
Fundersnot available
KeywordsSeries (stratigraphy)PrecalculusComputer scienceClass (philosophy)Focus (optics)Path (computing)Mathematical economicsBinomial (polynomial)MathematicsCalculus (dental)Algebra over a fieldArtificial intelligenceStatisticsPure mathematicsProgramming language

Abstract

fetched live from OpenAlex

few years ago, just as I was about to introduce binomial probabilities in my precalculus class, the Edmonton Oilers were in a first-round play-off series with the Dallas Stars. Each team had won a game. The series suggested a problem: given that the Oilers had a probability p of winning any game, what was the probability that they would win the series? I focus on the Oilers because the small university where I teach is located a one-hour drive from their home in Edmonton. Our initial figure of p = .3 was based loosely on the Oilers' record against the Stars. We began with what I will call the brute-force method, treating the rest of the series as a five-game series. After completing the brute-force solution, we searched for a shorter, more elegant, solution. Although the solutions that we unearthed along our path of discovery are not new, they illustrate beautifully the process by which many mathematical problems are solved, extended, and generalized.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.007
metaresearch head score (Gemma)0.067
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Theoretical or conceptual · Consensus signal: Theoretical or conceptual
GenreCandidate signal: Empirical · Consensus signal: none
Teacher disagreement score0.043
Threshold uncertainty score0.143

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0070.067
Meta-epidemiology (narrow)0.0020.001
Meta-epidemiology (broad)0.0020.002
Bibliometrics0.0010.002
Science and technology studies0.0060.011
Scholarly communication0.0070.020
Open science0.0040.006
Research integrity0.0080.015
Insufficient payload (model declined to judge)0.0430.006

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.128
GPT teacher head0.381
Teacher spread0.254 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designTheoretical or conceptual
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations0
Published2003
Admission routes1
Has abstractyes

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