| Scenario | Total Outcomes | Example Event | Probability |
|---|---|---|---|
| Coin flip | 2 | Getting heads | 1/2 |
| Rolling a die | 6 | Rolling a 6 | 1/6 |
| Picking from 10 balls | 10 | Picking the red ball | 1/10 |
| Drawing from deck | 52 | Drawing an ace | 4/52 = 1/13 |
This key facts covers Common Probability Scenarios within Basic Probability for GCSE Mathematics. Revise Basic Probability in Probability for GCSE Mathematics with 13 exam-style questions and 20 flashcards. This topic appears regularly enough that it should still be part of a steady revision cycle. It is section 6 of 7 in this topic. Use this key facts to connect the idea to the wider topic before moving on to questions and flashcards.
Practice questions for Basic Probability
Which value represents an impossible event on a probability scale?
Explain what is meant by theoretical probability and state the formula used to calculate it.