Final answer:
Elvis Presley's performance on The Ed Sullivan Show was viewed by a significant portion of the TV audience. None of the provided options directly correspond to historical records of TV viewership for this event. The closest figure related to Elvis's popularity is that more than 68% of radio music in 1956 was rock and roll.
Step-by-step explanation:
Elvis Presley's first performance on The Ed Sullivan Show was a significant television event in the United States. Despite some initial resistance from adults, this performance was hugely popular. While it did not rank as the highest-rated television show of all time, it was still watched by a significant portion of the television-owning public. In the context of the historical impact of television, by the late 1950s, television ownership had skyrocketed and the medium had begun exerting a profound influence on American culture and society. Regarding the specific question, none of the provided options (1) 56, (2) 83, (3) 92, or (4) 98 corresponds exactly to any historical records for the percentage of television sets tuned in to Elvis Presley's first appearance on The Ed Sullivan Show. However, according to the information provided, the closest figure to any of the choices would be that more than 68 percent of the music played on the radio in 1956 was rock and roll, indicating the genre's popularity during the time of Elvis's performance.