Respuesta :
Answer:
20%
Step-by-step explanation:
Since sample size is greater than 30%
Sample of students = 240
Total student = 1200
Therefore we have
240/1200 * 100=2%
Answer:
Answer is 20% error.
Therefore,
Refer below for the explanation.
Step-by-step explanation:
As per the question,
Students 1200,
Sample of 240 students,
Sample size is greater than 30.
Hence,
240/1200×100=20%.