Equally likely

Definition

Outcomes are equally likely if each has the same probability of occurring.

Used by AQA

Specification P2 · Paper 1, Paper 2, Paper 3

When outcomes are equally likely, find the probability of an event by dividing the number of outcomes that meet it by the total number of possible outcomes.
Revise: Expected Outcomes

1
Check whether the outcomes are equally likely before using favourable outcomes ÷ total outcomes. Do not assume that an uneven spinner is fair.

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GCSE Mathematics · key term

Outcomes are equally likely if each has the same probability of occurring.

Used by AQA

Specification P2 · Paper 1, Paper 2, Paper 3

When outcomes are equally likely, find the probability of an event by dividing the number of outcomes that meet it by the total number of possible outcomes.
Revise: Expected Outcomes

1
Check whether the outcomes are equally likely before using favourable outcomes ÷ total outcomes. Do not assume that an uneven spinner is fair.

Create a free account to read GCSE Mathematics revision notes for your exam board and track your progress.