East High wants to estimate the number of students who drive to school.

A) Which of the following surveys probably would best represent the entire student population?
1. 20 students are randomly selected from the 11th grade; 5 drive to school.
2. 20 students are randomly selected from the school; 6 drive to school.
3. 20 students are randomly selected from the Glee Club; 4 drive to school.

B)There are 1600 students at East High. Using your answer from part (a), estimate the number of students who drive to school.