A 95 percent confidence interval for the proportion of parents who use parental controls for blocking, filtering, or monitoring their teenagers' online activities is (0.36,0.42).
Which of the following could be a 99 percent confidence interval based on the same data?

A. (0.30,0.38)
B. (0.35,0.43)
C. (0.36,0.48)
D. (0.37,0.41)
E. (0.40,0.41)

Q&A Education