Probability Flashcards
1
Q
What is an experiment?
A
A repeatable process that gives rise to a number of outcomes
2
Q
What is an event?
A
A set of one or more outcomes
3
Q
What is the sample space?
A
The set of all possible outcomes of an experiment
4
Q
What does A∩B mean?
A
The event that both A and B occur
5
Q
What does A∪B mean?
A
The event that either A, B or both occur
6
Q
What does A’ mean?
A
The event that A does not happen
7
Q
When are two events A and B mutually exclusive?
A
When P(A∩B)=0
8
Q
When are two events A and B independent?
A
When P(A)=P(A|B)
9
Q
What is the addition rule?
A
P(A∪B)=P(A)+P(B)-P(A∩B)
10
Q
What is the multiplication rule?
A
P(A∩B)=P(A)*P(B|A)
