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Certain event — Edexcel GCSE Statistics Definition | GradeGen

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Statistics
Key terms
Certain event

GCSE Statistics · key term

Certain event

Definition

An event that must happen; its probability is 1, or 100%.

Used by Edexcel

How each exam board covers it

Edexcel GCSE Statistics · 1ST0

Specification 3p.02 · Paper 1, Paper 2

Revise: Probability scale and likelihood

Edexcel Statistics past papers

Related key terms

Even chance
Event
Impossible event
Outcome
Probability

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