What Is a Characteristic of the Mass Function of a Discrete

question 85

Multiple Choice

What is a characteristic of the mass function of a discrete random variable X?

• A)The sum of probabilities over all possible values x is 1.
• B)For every possible value x,the probability is between 0 and 1.
• C)Describes all possible values x with the associated probabilities .
• D)All of the above.

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Definitions:

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