oreobehn3629 oreobehn3629 30-05-2023 Mathematics contestada (x+1) 2 ≤ x ≤ 4 2. The pdf for a random variable, X, is defined by f(x) = 8 0 otherwise a. Show how to compute E(X) b. Show how to compute E(X²) c. What is the variance for X?