Question: Let y 1 , y 2 , . . . , y n be a random sample of n observations from a Poisson distribution with

Let y1, y2, . . . , yn be a random sample of n observations from a Poisson distribution with probability function

P(y) (y = 0, 1, 2,...) %3D y!

a. Find the maximum likelihood estimator of λ.
b. Is the maximum likelihood estimator unbiased?

P(y) (y = 0, 1, 2,...) %3D y!

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