A value between 0 and 1 represents the chance of an event occurring. To put it another way, it's a fraction. Because a percentage is merely a fraction with a denominator of 100, it is also written as a percentage. See our sites on Fractions and Percentages for further information on these ideas.

A probability is a number that expresses the chance or likelihood of an event occurring. Probabilities can be stated as proportions ranging from 0 to 1, as well as percentages ranging from 0% to 100%.

- Theoretical Probability.
- Experimental Probability.
- Axiomatic Probability.

Probability distributions are used to model random variables. These distributions are often used to model the outcomes of a random experiment, such as the number of heads or tails in a coin toss.

- Probability is a mathematical concept that measures the likelihood of an event happening. It is important to understand probability because it helps us make decisions about what is most likely to happen.
- The probability of an event happening can be defined as the number of times that the event will occur divided by the total number of possible outcomes.

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