Question

F(x) is c.d.f. of discrete r.v. X whose distribution is

Xi	– 2	– 1	0	1	2
Pi	0.2	0.3	0.15	0.25	0.1

Then F(– 3) = ______.

Options

• 0

• 1

• 0.2

• 0.15

Answer 1

Then F(– 3) = 0.