The Success Rate of a Procedure Is 37 Per 120 $\left[ \begin{array} { l l } .2975 & .4425\end{array} \right]$

Multiple Choice

The success rate of a procedure is 37 per 120 cases in a sample.Find a 95 percent confidence interval for the actual success proportion of the procedure.

A) $\left[ \begin{array} { l l } .2975 & .4425\end{array} \right]$
B) $[ .2389 \quad .3776 ]$
C) $\left[ \begin{array} { l l } .2836 & .4564\end{array} \right]$
D) $[ .2250 \quad .3910 ]$