I would like some guidance or help with questions b and c below please. Any assistence will be appreciate. Thanks in advance!
My answer: 6!, or put another way, 6 * 5 * 4 * 3 * 2 * 1 = 720 ways.a. In how many ways can 6 people be lined up to get on a bus?
b. If 3 specific persons, among 6, insist on following each other, how many ways are possible?c. If 2 specific persons, among 6, refuse to follow each other, how many ways are possible?