Mutually exclusive events Flashcards
1
Q
What is mutually exclusive
A
Events are mutually exclusive of they cannot happen at the same time for example rolling a die once and getting an odd and an even number
2
Q
The addition law for mutually exclusive events
A
P (A or B) = P(A)+ P(B)
3
Q
What is exhaustive
A
A set of events are exhaustive if the set contains all possible outcomes. For a set of mutually exclusive, exhaustive events, the sum of all probabilities =1
