The distribution of random variable X is Y(X=1)=0^2, P(X=2)=20(1-0), P(X=3)=(1-0)^2 a) Give the order of the gat with parameter 8 that satisfies the condition of the probability mass function. b) When you get four observations x_1=2, x_2=2, _x_3=3, x_4=1, find the maximum likelihood estimator of parameter 8.

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