Probability is a way of assessing chance, likelihood or risk. It may be quoted as a decimal, fraction or percentage. The probability of an impossible event is 0 and the probability of a certain event is 1. All other probabilities are between 0 and 1.
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This question appears in the following syllabi:
| Syllabus | Module | Section | Topic | Exam Year |
|---|---|---|---|---|
| AQA GCSE (9-1) Foundation (UK) | P: Probability | P1: Frequencies in Tables and Trees | Basic Probability Problems | - |
| CBSE IX (India) | Probability | Experiments | Repeated experiments | - |
| CBSE X (India) | Statistics and Probability | Probability | Definition | - |
| CIE IGCSE (9-1) Maths (0626 UK) | 8 Probability | C8.1 Calculating a Probability | Basic Probability Problems | - |
| Edexcel GCSE (9-1) Foundation (UK) | P: Probability | P1: Frequencies in Tables and Trees | Basic Probability Problems | - |
| GCSE Foundation (UK) | Probability | Probability | Basic problems | - |
| OCR GCSE (9-1) Foundation (UK) | 11: Probability | 11.01d: Equally Likely Outcomes and Probability | Basic Probability Problems | - |
| Universal (all site questions) | P | Probability | Basic problems | - |
