discrete probability distribution

/in /by

discrete probability distribution

Which of the following are requirements of a discrete probability distribution?


  1. 0

    p(
    x)
    1

  2. p(
    x) – 1 = 0


  3. p(
    x) = 1

A. 1 only

B. 2 only

C. 1 and 2

D. 1 and 3

E. 2 and 3