Answer: D
"Separating the students on the list into boys and girls and choosing a sample from each group that is proportional to the size of the group."
Step-by-step explanation:
You are sampling an equal amount of boys and girls since your getting an equal sample of each gender. (Not random)
Answer:
4/7
e means error at least when the number is higher than the computor can calculate or it is just a variable
this is the answer of given question
