The vice president of programming at NBC is nalizing the primetime schedule for the fall. She has decided to include a hospital drama but is unsure which of two possibilities to select. She has a pilot called \"The Surgeon" and another called "Critical Care. "To help her make a nal decision, a sample of 20 viewers from throughout the United States was asked to watch the two pilots and indicate which show they prefer. The results were that 12 liked The Surgeon, 7 liked Critical Care, and one had no preference. Is there a preference for one of the two shows? Use the .10 signicance level