Which Statistical Technique Is Appropriate When We Describe a Single

Which statistical technique is appropriate when we describe a single population of nominal data with exactly two categories?

A) Zz-test of a population proportion.
B) Chi-squared test of a multinomial experiment.
C) Chi-squared test of a contingency table.
D) Z-test of a population proportion and Chi-squared test of a multinomial experiment.
E) Chi-squared test of a multinomial experiment and Chi-squared test of a contingency table.