Which of the following is a required condition for a discrete probability function?
A) $\Sigma$f(x) = 0 for all values of x
B) f(x) $\geq$ 1 for all values of x
C) f(x)

Question

Which of the following is a required condition for a discrete probability function?
A) $\Sigma$f(x) = 0 for all values of x
B) f(x) $\geq$ 1 for all values of x
C) f(x) < 0 for all values of x
D) $\Sigma$f(x) = 1 for all values of x

Quizplus · Accepted Answer

For a discrete probability function, the sum of the probabilities of all possible outcomes must equal 1.

Which of the Following Is a Required Condition for a Discrete