(Choose 1 answer)
(See picture)
A. 0.5
B. 0
C. 0.8
D. 0.3
E. 1
The discrete random variable X has the cumulati distribution function
0 0.3 0.8 1 if x < 1 if 1≤x<2 if 2≤x<4 if x ≥ 4 F(x) =
What is the value of the probability mass functio
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