Which of the following statements is true about the confidence interval for a population proportion?
A)It is equal to the population proportion plus or minus a calculated amount called the standard error.
B)It is equal to the sample proportion plus or minus a calculated amount called the margin of error.
C)The confidence interval for a proportion will always contain the true population proportion.
D)The confidence interval for a proportion does not need a specified confidence level.

Question

Quizplus · Accepted Answer

The confidence interval for a population proportion is calculated as the sample proportion plus or minus the margin of error. The margin of error accounts for the uncertainty or variability in the estimate, incorporating both the standard error of the proportion and the desired confidence level.

Which of the Following Statements Is True About the Confidence