When Apple's Famous "1984" Ad Aired During the CBS Telecast

Multiple Choice

When Apple's famous "1984" ad aired during the CBS telecast of Super Bowl XVIII, it reached an estimated 500 million viewers. It aired only once but has subsequently been featured in at least 10 television programs recalling great commercials. The frequency measure of this ad for its target audience is

A) 1)
B) 10.
C) 500 million.
D) one-tenth.
E) 5 billion.