In a Broad Sense, the Role of a Confidence Interval

Multiple Choice

In a broad sense, the role of a confidence interval for the population mean is meant to accurately portray what?

A) If you take a random sample, the sample mean is a biased estimate of the population mean.
B) Different population distributions have different population means.
C) The uncertainty involved with observing a sample and not the entire population.
D) None of the answers is correct.