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In: Statistics and Probability

Let Y1 < Y2 < Y3 < Y4 be the order statistics of a random sample...

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)

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