Let X1, X2, ..., Xn be iid Exponential (λ=1/θ) random variables with density function f(x|θ) = θe⁻⁰ˣ, x > 0 such that E(X) = 1/θ and Var(X) = 1/θ² Derive an asymptotic confidence interval for √θ with 95% confidence.