Forindependentobservations y1, ...,yn from theexponential pdf f(y; ) = ey for y 0, for which

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Forindependentobservations y1, ...,yn from theexponential pdf f(y; λ) = λe−λy for y ≥ 0, for which μ = σ = 1~λ:

(a) Findthelog-likelihoodfunction L(λ).

(b) FindtheMLestimator ˆλof λ.

(c) Suppose y = 10. Plot L(λ) − L(ˆλ) between λ =

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