Given a group of students: Alex (A), Banks (B), Chloe (C), Darnell (D), and Ellen (E). List of the possible samples (without replacement) of size four (4) which can be obtained from the group ABBD, ABCE, ACDE, ADEB, DACE ABCD, ABCE, ACDE, ADEB, BCDE O ABCD, ABCE, ACDE, ADEB, BCDE, BCEA, BDEA, CABD, CEDB, DACE ABCD, ABCE, ACDE, ADEB