Continuous Random Variables
This module covers core properties of continuous random variables, probability density functions, cumulative distribution functions, and calculation of ke…
📖Study Guide
In-depth bilingual notes with worked past paper examples.
✍️Practice Exam
Original questions for this topic: MCQ + FRQ + Application + drag/match.
🎴Flashcards
20+ flashcards: definitions / formulas / pitfalls. Click to flip.
📊Exam Insight
How this topic is distributed across past papers — data that shows what matters.
How often is this tested?
Tested 131 times in the last 10 years — 30.6% of all S2 past-paper questions (131 of 428).
Most often tested as Sampling distribution of sample mean; CLT applications.
Based on OwlsPrep's analysis of official CIE 9709 past papers (2016–2025).
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