Chapter 14 · Question 4
What are the minimum and maximum possible values of probability?
Answer
Direct Answer
For any event , . Impossible event has probability and sure event has probability .
Simple Explanation
Probability cannot be less than 0 or greater than 1.
Exam-Ready Structure
The number of favourable outcomes cannot be negative and cannot exceed the total number of outcomes. Therefore . If no outcome favours , . If every outcome favours , .
Key Points
- For any event , .