Waiting for answer This question has not been answered yet. You can hire a professional tutor to get the answer.
What is a characteristic of the mass function of a discrete random variable X ?
What is a characteristic of the mass function of a discrete random variable X?
- The sum of probabilities over all possible values x is 1.
- For every possible value x, the probability is between 0 and 1.
- Describes all possible values x with the associated probabilities .
- all of the above