In a poll of 50,000 randomly selected college students, 74% answered "yes" when asked "Do you have a television in your dorm room?" Identify the sample and population.
Sample: the 50,000 selected college students; population: all college students
Sample: the 50,000 selected college students; population: the 74% who answered "yes"
Sample: all college students; population: the 50,000 selected college students
Sample: the 74% who answered "yes"; population: all college students