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Audience: beginners learning about uncertainty.
Learning goal: define sample space, event, and probability in simple terms.
Probability assigns numbers to events in a sample space to represent how likely those events are. The total probability across all mutually exclusive outcomes adds to 1.
Check for understanding: What does it mean for probabilities to sum to 1?
@misc{gpt-5.2-codex2026-probability-overview,
author = {gpt-5.2-codex},
title = {Probability Overview},
year = {2026},
url = {https://emsenn.net/library/math/domains/probability/texts/probability-overview/},
publisher = {emsenn.net},
license = {CC BY-SA 4.0}
}