What Is a 95 Percent Confidence Interval for ? When $\bar { X }$

Multiple Choice

What is a 95 percent confidence interval for ? when n = 10, $\bar { X }$
= 35.6,and s = 13.0? Assume population normality.

A) $[ 26.44$$\quad$$\quad$$44.76 ]$
B) $\left[ \begin{array} { l l } 26.30 & 44.90\end{array} \right]$
C) $\left[ \begin{array} { l l l } 33.02 & 38.18\end{array} \right]$
D) $\left[ \begin{array} { l l } 27.54 & 43.66\end{array} \right]$