17 Let X have the density f(x;0) = (0/2)*l(1 – 0)’-*14-1, 0, 1)(x), O SOS1. Define t(x)=21(1)(x). (a) Is X a sufficient statistic? A complete statistic? (6) Is X| a sufficient statistic? A complete statistic? (c) What is a maximum-likelihood estimator of O? (d) Is T= t(X) an unbiased estimator of 0?
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