**Probability is the branch of mathematics concerning numerical descriptions of how likely an event is to occur, or how likely it is that a proposition is true. The probability of an event is a number between 0 and 1, where, roughly speaking, 0 indicates impossibility of the event and 1 indicates certainty. Probability is a concept which numerically measures the degree of certainty of the occurrence of events. Probability is a concept which numerically measures the degree of certainty of the occurrence of events.**

- Possible outcomes in various experiments
- Equally likely terms
- Probability of occurrence of an event.
- Word Problems in real-life situations