If 35 Percent of TV Viewers Recalled Seeing an Ad

Multiple Choice

If 35 percent of TV viewers recalled seeing an ad for a Ford Explorer on a particular television program based on a sample of 800 viewers,the 95 percent confidence interval for this study would be between approximately:

A) 30 percent and 40 percent
B) 32 percent and 38 percent
C) 28 percent and 42 percent
D) 20 percent and 30 percent