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Mutually exclusive events — Edexcel GCSE Statistics Definition | GradeGen

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Statistics
Key terms
Mutually exclusive events

GCSE Statistics · key term

Mutually exclusive events

Definition

Events that cannot both occur in the same trial. For two mutually exclusive events, $P(A \text{ and } B)=0$ .

Used by Edexcel

How each exam board covers it

Edexcel GCSE Statistics · 1ST0

Specification 3p.07 · Paper 1, Paper 2

Mutually exclusive events cannot both occur in the same trial. On one die roll, ‘even’ and ‘odd’ are mutually exclusive: no number is both.
Revise: Mutually exclusive and exhaustive events and addition laws

Edexcel Statistics past papers

Related key terms

Event
Exhaustive events
Intersection
Union

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