What Is a Characteristic of the Mass Function of a Discrete

question 78

Multiple Choice

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

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

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Definitions:

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