試題詳解

3. Consider the following statements about a 95% confidence interval (CI) for a parameter ??.
Statement 1: P(??0 iiii iiii ??ℎe CCCC|?? = ??0) ≥ 0.95
Statement 2: P(??0 iiii iiii ??ℎe CCCC) ≥ 0.95
Statement 3: An experiment produced the CCCC[−1, 1.5]: P(?? iiii iiii [−1, 1.5]|?? = 0) ≥ 0.95.
(A) Only Statement 1 is correct.
(B) Only Statement 2 is correct.
(C) Only Statement 3 is correct.
(D) Only Statement 1 is incorrect.

(E) Only Statement 2 is incorrect