In the context of probability distributions, what is a random variable?
- A variable that always takes a constant value
- A variable that does not have a specific value
- A variable that is not influenced by other variables
- A variable whose outcome is based on the result of a random event
A random variable is a variable whose possible values are outcomes of a random event. It can be either discrete (having specific values) or continuous (any value within a certain range).
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