[2] Let X1, X2, ..., Xn be a random sample from a distribution with density fx(x) = 0x0-1,0 < x < 1,0 > 0. [a] (5 points) Find the sufficient statistic Y for 0 by definition or by the factorization rule. [b] (5 points) Develop the maximum likelihood estimator for AND then show that it is a function of Y.