From the Sample Statistics, Find the Value Of $\bar{ p}$ Used to Test the Hypothesis That the Population Proportions Are

Multiple Choice

From the sample statistics, find the value of $\bar{ p}$ used to test the hypothesis that the population proportions are equal
- $$\begin{array} { l l } \mathrm { n } _ { 1 } = 100 & \mathrm { n } _ { 2 } = 100 \\\hat { \mathrm { p } } _ { 1 } = 0.12 & \hat { \mathrm { p } } _ { 2 } = 0.1\end{array}$$

A) $0.138$
B) $0.220$
C) $0.110$
D) $0.332$