STAT 3: Introducing Probability and Risk Flashcards
1
Q
What is an independent event?
A
- the outcome of the second event is not affected by the outcome of the first event
2
Q
What is a mutually exclusive event?
A
- two or more events that cannot happen simultaneously
- two mutually exclusive events add up to one
3
Q
Define probability distribution
A
- a theoretical probability of each outcome
4
Q
What is frequency distribution?
A
- an overview of the observed frequency of each outcome
5
Q
When can multiple probabilities be combined by addition?
A
- to calculate the combined probability of getting the same outcome from two independent events