Janine wishes to conduct a poll to predict how many students will vote for her for class president.. . Which polling methods are likely to be biased?. . Choose all answers that are correct..

A.

Five people in each of Janine’s classes are selected and asked for whom they intend to vote.


B.

From a list of all students in Janine’s grade, 25 students are selected at random and asked for whom they intend to vote.


C.

Every 10th student from a list of all students in Janine’s grade is selected and asked for whom the student intends to vote.


D.

Janine chooses 5 of her friends and asks each to select another 5 students. These 25 students are asked for whom they intend to vote.