54 POINTS FOR THE ANSWER!
Suppose that many large samples are taken from a population and that the sample proportions are normally distributed, with a mean of 0.22 and a standard error of 0.029. What is the 95% confidence interval?
A.
(0.104 to 0.336)
B.
(0.133 to 0.307)
C.
(0.162 to 0.278)
D.
(0.191 to 0.249)