Which of the following numbers could be the probability of an​ event? 0, -0.42, 1, 0.04, 0.23, 1.48

A probability of an event must be a number between **0** and **1** (inclusive). 

Let's evaluate the given numbers:

- **0**: Yes, this could be the probability of an event (indicates an impossible event).
- **-0.42**: No, probability cannot be negative.
- **1**: Yes, this could be the probability of an event (indicates a certain event).
- **0.04**: Yes, this is between 0 and 1, so it could be a probability.
- **0.23**: Yes, this is between 0 and 1, so it could be a probability.
- **1.48**: No, probability cannot be greater than 1.

### Valid Probabilities:
- 0
- 1
- 0.04
- 0.23

### Do you want more details or have any questions?

Here are 5 relative questions:
1. What are the properties of probability?
2. How do you calculate the probability of multiple independent events?
3. Can the probability of all possible outcomes in an experiment sum to more than 1?
4. What is the probability of a complementary event?
5. What does it mean when the probability of an event is 1?

**Tip**: Always remember, the probability value must be between 0 and 1, inclusive, and it cannot be negative.

Explore the concept of probability and understand which numbers can represent probabilities. This analysis covers key principles such as the range of valid probability values (between 0 and 1), with examples like 0, 1, 0.04, and 0.23. Suitable for students in Grades 7-9 studying probability theory.

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