4. The elementary school cafeteria is considering changing the menu from pizza to sub sandwiches. Which of the following best describes a random sample? O All the students in Mrs. Johnson's class are surveyed. O Twenty randomly selected fifth graders are surveyed. O Fifty randomly selected staff members are surveyed. O Fifty students' names are drawn from a hat.
This way it is impossible to know who's name is being picked from the hat. picking students at random still allows you to have the choose of which students to pick .
