7
(Choose 1 answer)
(See picture)
A. (i)
B. (iv)
C. (iii)
D. (ii)
(i)
0
0.3
2
f(x)
X
(ii)
f(x)
0
X
0.2
1
0.4
0.4
F(x) =
Determine the probability mass function for the random variable with the following cumulative distribution function
10
0.2
0.6
1
x < 0
0 ≤x<1
1 < x <3
x ≥3
3
0.4
0.3
3
