Question

Let 𝑋1Gamma(1,4), 𝑋2Gamma(2, 2) and 𝑋3~Gamma(3, 4) be three independent random variables. If 𝑌=𝑋1+2𝑋2+𝑋3, then 𝐸(($\frac{y}{4}$)4 ) equals ______

Answer 1

The correct answer is: 3024