In: Statistics and Probability
For f(x; θ) = θ exp(-xθ) , x>0
1a) Determine the most powerful critical region for testing H0 θ=θ0 against H1 θ=θ1 (θ1 > θ0) using a random sample of size n.
1b) Find the uniformly most powerful H0 θ<θ0 against H1 θ>θ1