juniorStatistics
What is probability?
Updated May 17, 2026
Short answer
Probability measures likelihood of an event between 0 and 1.
Deep explanation
Probability quantifies uncertainty using ratios or probability distributions over sample spaces.
Real-world example
Weather forecasting uses probability to estimate rain chances.
Common mistakes
- Assuming past outcomes affect independent events.
Follow-up questions
- What is a sample space?
- What is an event?