Which of the following should be used if we want to conduct a two-tail test of a population proportion? $\begin{array}{|l|l|}
\hline \text { A. } & z \text {-test of a popul ation proportion. } \
\hline \text { B. } & \text { Chi-squared test of a binomial experiment since } z^{2}=\chi^{2} \
\hline \text { C. } & \text { the chi-squared test of a contingency table. } \
\hline \text { D. } & \begin{array}{l}
z \text {-test of a popul ation proportion and Chi-squared test of a binomial experiment since } \
z^{2}=\chi^{2} .
\end{array} \
\hline \text { E. } & \begin{array}{l}
\text { Chi-squared test of a binomial experiment since } z^{2}=\chi^{2} \text { and the chi-squared test of a } \
\text { contingency table. }
\end{array} \
\hline
\end{array}$

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The Answer of Which of the following should be used if we want to conduct a two-tail test of a population proportion? $\begin{array}{|l|l|}
\hline \text { A. } & z \text {-test of a popul ation proportion. } \
\hline \text { B. } & \text { Chi-squared test of a binomial experiment since } z^{2}=\chi^{2} \
\hline \text { C. } & \text { the chi-squared test of a contingency table. } \
\hline \text { D. } & \begin{array}{l}
z \text {-test of a popul ation proportion and Chi-squared test of a binomial experiment since } \
z^{2}=\chi^{2} .
\end{array} \
\hline \text { E. } & \begin{array}{l}
\text { Chi-squared test of a binomial experiment since } z^{2}=\chi^{2} \text { and the chi-squared test of a } \
\text { contingency table. }
\end{array} \
\hline
\end{array}$

Which of the Following Should Be Used If We Want