Maths
General
Easy
Question
What is for two mutually exclusive sets A and B?
 n (A) + n (B)
 n (A) – n (B)
 n (B) – n (A)

Hint:
Mutually exclusive events are those events that do not occur at the same time
The correct answer is: n (B) – n (A)
.Mutually exclusive events are also called disjoint events.
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