Which of the following statements is true about the confidence interval for a population proportion?

Answers:A.It is equal to thesample proportionplus or minus a calculated amount called the margin of error.

B.The confidence interval for a proportion will always contain the true population proportion.

C.The confidence interval for a proportion does not need a specified confidence level.

D.It is equal to thepopulation proportionplus or minus a calculated amount called the standard error.