MAS291_-_SP_2024_-_Block_5_-_FE_1909.webp

(Choose 1 answer)
(See picture)
A. 3.25
The cumulative distribution function of the ran-dom variable X is defined by F(x) = {1-e-42/50,x<01-e-4x/5, x≥ 0.
B. None of the other choices is correct
C. 1.25
D. 2.5
Ε. 3
What is the mean value of X?