Let X and Y be two independent stochastic variables such that X∈Po (2μ) and Y∈Po (μ). μ*_obs = (x + 2y)/4 and μ^_obs= (1

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Let X and Y be two independent stochastic variables such that
X∈Po (2μ) and Y∈Po (μ). μ*_obs = (x + 2y)/4 and μ^_obs= (1/2 x +
y)/2 are two estimates of μ.
A. Both estimates are equally effective.
B.μ*obs is more efficient.
C. It is not possible to determine which of the estimates is
most effective, since at least one of the estimates is not expected
to be accurate.
D. μ^obs is more efficient.