A Survey of Probability Concepts

If two events A and B are mutually exclusive, what does the special rule of addition state? 

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The probability of rolling a 3 or 2 on a single die is an example of mutually exclusive events

The probability of rolling a 3 or 2 on a single die is an example of conditional probability. 

To apply the special rule of addition, the events must be mutually exclusive. 

The joint probability of two independent events, A and B, is computed as P(A and B) = P(A) P(B). 

A combination of a set of objects is defined by the order of the objects. 

An illustration an experiment turning the ignition key of automobile to determine whether or not the engine will start. 

A joint probability measures the likelihood that two or more events will happen concurrently. 

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If two events are mutually exclusive, then P(A and B) = P(A)P(B). 

The joint probability of two events, A and B, that are not independent is computed as P(A and B) = P(A)! P(B!|A!).