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Answer:

The union of two event

Step-by-step explanation:

Addition law of probability  define that probability of two event  is total sum of probability of any event subtract the probability of both events

There are two rules  in addition law:

Addition law 1 -  when both event are mutually exclusive, then probability of either event is the sum of each event probability.

P( A or B) = P(A) +P(B)

Addition law 2 -  when both events are non mutually exclusive then there in addition to the individual probability there is some overlap .

P( A or B) = P(A) +P(B) - P(A and B)

It should be noted that addition law is potentially helpful when we are interested in computing the probability of The union of two event.

According to this question, we are to discuss about Addition law of probability.

As a result of this we can see that Addition law of probability  explain about probability for either of two mutually exclusive events which is occurring and also  the probability of two non-mutually exclusive events that is occurring.

Learn more about Addition law of probability at;

https://brainly.com/question/26519693