Question

Why does probability have to be between $0$ and $1$?

Answer 1

Details about probability:

1. Probability is a branch of mathematics that deals with the occurrence of a random event.
2. The meaning of probability is basically the extent to which something is likely to happen.
3. To find the probability of a single event occurring, firstly, we need to know the total number of possible outcomes.
4. The least value of probability is $0$ because probability does not contain negative values anyhow. If we got a result of a probability of zero then the chances of occurrence of an event is not possible.
5. The highest value of probability is $1$because a probability does contain a certain outcome at most.
6. The range of probability belongs between $0$ and $1$.