Which of the Following Is Not a Part of the Formula

Short Answer

Which of the following is not a part of the formula for constructing a confidence interval estimate of the population mean? $\begin{array}{|l|l|}\hline A&\text { A point estimate of the population mean.}\\\hline B&\text {The standard error of the sampling distribution of the sample mean. }\\\hline C&\text { The confidence level.}\\\hline D&\text {The value of the population mean. }\\\hline \end{array}$