Consider a population with a population proportion p and a sample from the population with sample proportion p-hat. Which of the following describes the purpose of the one-sample z-test? A. To estimate the value of p-hat

B. To estimate the value of p

C. To estimate a margin of error for p-hat

D. To estimate the probability of observing a value as extreme as p-hat given p

E. To estimate the probability of observing a value as extreme as p given p-hat