Explain the difference between a well-defined set and one that is not. Give examples. Explain the difference between a well-defined set and one that is not. Choose the correct answer below. OA. A set is well-defined if it has only a finite number of elements. B. A set is well-defined if its only subsets are proper subsets. C. A set is well-defined if and only if it is a subset of the real numbers. OD. A set is well-defined if any given object can be classified as belonging to the set or not belonging to the set. Which of these are examples of well-defined sets? Select all that apply. A. The set of all United States presidents B. The set of all integers that are not 1 or 2 C. The set of all people who are tall D. The set of all students enrolled in school E. The set of all dogs that are large Which of these are examples of sets that are not well-defined? Select all that apply. A. The set of all dogs that are large B. The set of all students enrolled in school BO C. The set of all people who are tall D. The set of all integers that are not 1 or 2 E. The set of all United States presidents