Mathematics for IGCSE & O level - Probability (Section 8 - No. 36)
Consider the statement: "The probability of an event happening is 0.8." What does this tell you?
The event is impossible.
The event is very likely to occur.
The event has a 20% chance of not happening.
The event will definitely occur.
Giải thích
A probability of 0.8 indicates a high likelihood of the event occurring, with a 20% chance of it not occurring.