Answer (Choose 1 answer)
(See picture)
A. 1
B. 0.2
C. 0
The random variable X has the cumulative distribution function
0 0.2 0.9 1 x < 1/8 ≤x<1/4 3 ≤x<31814F(x) =
8
D. None of the other choices is correct
E. 0.9
Find the probability mass function at x = 1.
7
