5.2 The Addition Rule and Rule of Complements Flashcards
1
Q
Compound Event
A
An event that is formed by combining two or more events.
2
Q
P (A or B)
A
Equates to P (A occurs or B occurs or both occur)
3
Q
General Addition Rule
A
For any two events A and B, P (A or B) = P (A) + P (B) - P(A and B)
4
Q
Mutually Exclusive Events
A
Two events are said to be mutually exclusive if it is impossible for both events to occur.
5
Q
The Addition Rule for Mutually Exclusive Events
A
6
Q
Statistical Event Complement
A
If A is any event, the complement of A is the evet that A does not occur. The complement of A is denoted Ac
7
Q
The Rule of Complements
A
P(Ac) = 1 - P(A)