Q34Section I (Objective (Q1–Q80))34 of 80

Statistical Inference — sample mean from a confidence interval

The 95% confidence interval for $\mu$ in $N(\mu, \sigma^2)$ when $\sigma$ is known is $(200, 220)$ . The value of sample mean is:

Pick an option to check your answer. In a mock test a wrong answer here costs 0.83 mark.

Keyboard: A–D answer · S solution · ←/→ previous/next