Which of the Following May Be Used for Hypothesis Tests

Short Answer

Which of the following may be used for hypothesis tests of nominal (categorical) data? $\begin{array}{|l|l|}\hline \text { A. } & \text { Chi-squared test of a multinomial experiment. } \\\hline \text { B. } & \begin{array}{l}\text { Z test of a population proportion or a } Z \text { test for the difference between two population } \\\text { proportions. }\end{array} \\\hline \text { C. } & \text { Chi-squared test of a contingency table. } \\\hline \text { D. } & \text { All of these choices are correct. } \\\hline\end{array}$