Introducing probability

In very simple terms, 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 the impossibility of the event and 1 indicates certainty.

The diagram on below is quite a familiar modelling cycle, also known as the data-handling cycle.


Tree diagram probability

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