4. Let X, ..., X, be iid with PDF f(x; 0) = (30), 0 < x...

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4. Let X, ..., X, be iid with PDF f(x; 0) = (30), 0 < x < 20, where 0 > 0 is the unknown parameter. (a) (6%) Find the MLE of 0. (b) (6%) Is A a sufficient statistic for ? Why or why not? (c) (8%) Find the MVUE of 0. 4. Let X, ..., X, be iid with PDF f(x; 0) = (30), 0 < x < 20, where 0 > 0 is the unknown parameter. (a) (6%) Find the MLE of 0. (b) (6%) Is A a sufficient statistic for ? Why or why not? (c) (8%) Find the MVUE of 0.