Assume that a sample is used to estimate a population proportion ( p ) . Find the 99. 5% confidence interval for a sample of size 309 with 49% successes.

A) ( (0. 447, 0. 533) )
B) ( (0. 451, 0. 529) )
C) ( (0. 445, 0. 535) )
D) ( (0. 455, 0. 525) )