Random variables Y₁,... Yn follow the probability density distribution | ƒ (v|0) = { ŏ ye y/o 0 y >0 otherwise with known expected values E[Y] = 20 and Var[Y] = 20². a.) Find the maximum likelihood estimate of 0. b.) Find E[] and V(Ô) c.) Is this a biased estimator?

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