Module 20
What this module is for
Both. This is a controlled bridge into stochastic processes: homogeneous arrivals and simple waiting models, not general point-process theory.
Lesson 20.1 · Core
From Poisson counts to a Poisson process
Depth: Working proficiency
QT/QR relevance: Both; elementary event-arrival models
Open Premium LessonLesson 20.2 · Core
Superposition, thinning and competing streams
Depth: Interview mastery
QT/QR relevance: Both; multiple event sources
Open Premium LessonLesson 20.3 · Core
Conditioning on counts and compound arrivals
Depth: Working proficiency
QT/QR relevance: Both, especially QR; event-based aggregate models
Open Premium LessonLesson 20.4 · Research Depth
Inspection paradox and length-biased sampling
Depth: Working proficiency — Extension
QT/QR relevance: Both; interpreting waiting-time observations
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