This is in Inferential Statistics. Provide clean and clear handwritten solutions. thank you. make a clear writings and readable.

4. Let X(1) SX(2) 5 X(3) " X(4) 5 X(5) be the order statistics of a r.s. X1, X2,X3, X4, X5 from the distance with pdf f(x) = 2x, 0 !)