# probability meaning

[ ˌprɔbə'biliti ] Pronunciation: "probability" in a sentence

**Noun:**

**probability**`próbu'bilitee

- A measure of how likely it is that some event will occur; a number expressing the ratio of favourable cases to the whole number of cases possible
*"the probability that an unbiased coin will fall with the head up is 0.5"*

- chance - The quality of being probable; a probable event or the most probable event
*"for a while mutiny seemed a probability"; "going by past experience there was a high probability that the visitors were lost"*

**Derived forms: **probabilities

**See also: **probabilistic, probable

**Type of: **amount, measure, quality, quantity

**Antonym: **improbability

**Encyclopedia:** Probability

[Economics]

The likelihood that an event or a particular result will occur. It can be represented on a scale by a number between 0 (zero probability of the event happening, i.e. it is certain not to) and 1 (certainty that it will occur). It is treated mathematically on this basis in statistics.

[Electronics]

1. The branch of mathematics concerned with the likelihood of an event’s occurrence. It has many applications in quality control and physics.

2. The mathematical likelihood that an event will occur.

[Finance]

The relative likelihood of a particular outcome among all possible outcomes.

[Medicine]

The study of chance processes or the relative frequency characterizing a chance process.

- a priori probability: [Finance]Probabili ...
- conditional probability: Noun: conditional ...
- contingent probability: Noun: contingent p ...

## Examples

More: Next- what is the
*probability*that it is a prime? - a higher
*probability*means more confidence. - a
*probability*of 1 represents certainty. - this is often quoted above of 67%
*probability*. - in all
*probability*he is already left.