Kizspy | Question: 23
(Choose 1 answer)
(See picture)
A. 3
B. 1
C. 0.25
D. 0.5
Ε. 0.75
Suppose that contamination particle size X (in micrometers)can be modeled as continuous random variable with probability density function f(x) = 3/x4 for x > 1. Determine the variance of X.