In: Statistics and Probability
Let Y1 < Y2 < Y3 < Y4 be the order statistics of a random sample of size n = 4 from a distribution with pdf f(x) = 3X2, 0 < x < 1, zero elsewhere.
(a) Find the joint pdf of Y3 and Y4.
(b) Find the conditional pdf of Y3, given Y4 = y4.
(c) Evaluate E(Y3|y4)