# Calculating Simple Probability

Calculate the probability of a simple event with equally likely outcomes using the formula: probability = number of favourable outcomes ÷ total number of possible outcomes; express the result as a fraction in its simplest form; apply to rolling dice, drawing from bags, and other simple chance situations

Builds on: The 0-to-1 Probability Scale (hard, https://ai.page/c/the-0-to-1-probability-scale/en.md), Equally Likely Outcomes (hard, https://ai.page/c/equally-likely-outcomes/en.md)

Concept id: calculating-simple-probability. Subject: maths. Licence: CC BY-SA 4.0.

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