Question

PLZ HELP

A teacher would like to estimate the percentage of her students who play chess.

Which method should the teacher use to select the sample?

use a computer to randomly select 30 student IDs from all her students

select every other student in her classes until she has selected a total of 30 students

use a computer to randomly select 30 student IDs from all students

select all students who are currently in the chess club

Answer 1

use a computer to randomly select 30 student IDs from all her students

Explanation:

Answer 2

i think that 2 is the most reasonable answer ( I could be wrong )