There Is an Average of 22 $[ 11.014 \quad 33.896 ]$

Multiple Choice

There is an average of 22.455 employees at 22 office furniture dealers in a major metropolitan area,with a standard deviation of 18.52.Construct a 99 percent confidence interval for the true mean number of full-time employees at office furniture dealers.

A) $[ 11.014 \quad 33.896 ]$
B) $[ 11.275 \quad 33.635 ]$
C) $[ 12.284 \quad 32.626 ]$
D) $[ 12.513 \quad 32.397 ]$
E) $\left[ \begin{array} { l l } 20.072 & 24.838\end{array} \right]$