Requirements for a Distribution of a Discrete Random Variable (Q1a)

There are TWO requirements that must be satisfied in order to say that we have a proper distribution of a discrete random variable:

1. The probability of each value of X must be between 0 and 1.0
2. The sum of all the individual probabilities of X will equal 1.0

These two rules are written symbolically as:

Requirements for a Distribution of a Discrete Random Variable:

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