Assume a fair die has one face numbered 1, two faces numbered 2, and three faces numbered 3. Find the probability function f(x) and cumulative distribution function F(x) for the random variable X...

Assume a fair die has one face numbered 1, two faces numbered

2, and three faces numbered 3. Find the probability function

f(x) and cumulative distribution function F(x) for the random

variable X which gives the number observed on the toss of such

a die.