Probability Distribution Flashcards
1
Q
What is a random variable?
A
A variable whose value depends on the outcome of a random event.
2
Q
What is a sample space?
A
The range of values that a random variable can take.
3
Q
What does a probability distribution fully describe?
A
The probability of any outcome in the sample space.
4
Q
What does the sum of the probabilities of all outcomes of an event add up too?
A
They add up to 1.
