題組內容
4. (12%) Let X₁, X₂, ..., Xₙ be a random sample from N(μ, σ²), where both parameters are unknown.
(c) \( (4\%) \) Is your finding in (b) the shortest length C.I.? Prove your claim.
4. (12%) Let X₁, X₂, ..., Xₙ be a random sample from N(μ, σ²), where both parameters are unknown.
(c) \( (4\%) \) Is your finding in (b) the shortest length C.I.? Prove your claim.