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(Choose 1 answer)
(See picture)
A. f(0)=0; f(1)=0: f(2)=0.2: f(3)=1
B. f(0)=0; f(1)=0.2; f(2)=0; f(3)=0.8
C. f(0)=0: f(1)=0.2; f(2)=0.2; f(3)=1
D. None of the other choices is correct
The cumulative distribution function of discrete random
variable is given by the following graph.
F(x)
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FUO.sh
sh the exam.
1
0.2
0
2
3
X
Use this graph to find the probability mass function of X.
