Consider a discrete-random variable z assuming finitely many values. The cumulative distribution function, Fz(z) has the following properties:1. \(\mathop \smallint \limits_{ - \infty }^{ + \infty } {F_z}\left( z \right)dz = 1\) 2. Fz(z) is non-decreasing with finitely many jump-discontinuities3. Fz(z) is negative and non-decreasingWhich of the above properties is/are correct?

Consider a discrete-random variable z assuming finitely many values. T

1.	Consider a discrete-random variable z assuming finitely many values. The cumulative distribution function, Fz(z) has the following properties:1. \(\mathop \smallint \limits_{ - \infty }^{ + \infty } {F_z}\left( z \right)dz = 1\) 2. Fz(z) is non-decreasing with finitely many jump-discontinuities3. Fz(z) is negative and non-decreasingWhich of the above properties is/are correct?
A.	1 only
B.	2 only
C.	3 only
D.	2 and 3
Answer» C. 3 only

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