A z-score of 1.96 corresponds to approximately: A 90% confidence B 95% confidence for a two-tailed test C 99% confidence D 80% confidence ✓ Correct Answer: Option B For normal distribution: 1.645 = 90%, 1.96 = 95%, 2.576 = 99% confidence (two-tailed). Practice CFA Exam Prep Quizzes → Browse All Questions Study Flashcards