A commercial for a breakfast cereal is shown during a certain television program. The manufacturer

of the cereal wants to estimate the percent of television viewers who watch the program. The

manufacturer wants the estimate to have a margin of error of at most 0.02 at a level of 95 percent

confidence. Of the following, which is the smallest sample size that will satisfy the manufacturer's

requirements?

A. 40

B. 50

C. 100

D. 1,700

E. 2,500