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What Is a Characteristic of the Mass Function of a Discrete

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


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

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