Decide if the following problem is an example of a permutation or a combination. State your rationale. For a study, 4 people are chosen at random from a group of 10 people. How many ways can this be done? a. combination - set of objects arranged in a certain order c. combination - an unordered arrangement of objects b. permutation - set of objects arranged in a certain order d. permutation - an unordered arrangement of objects