What is a cumulative distribution function?
- It is the function that maps values to their percentile rank in a distribution
- It is the function that shows the cumulative probability associated with a function
- It is the maximum value a random variable can take
- It is the minimum value a random variable can take
The cumulative distribution function (CDF) of a random variable is the probability that the variable takes a value less than or equal to a certain value. The CDF of a function increases monotonically, and its limit is one as it approaches positive infinity.
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