Which of the following statements is correct? X Selected b. Answer: A decision model is a logical or mathematical representation of a problem or business situation that can be used to understand, analyze, or facilitate making a decision. Answers: a. A model is an abstraction or representation of a real system, idea, or object. b. A decision model is a logical or mathematical representation of a problem or business situation that can be used to understand, analyze, or facilitate making a decision. c. Both a and b are correct. d. Most decision models have four types of input, data, uncontrollable variables, constraints, and objective function. e. Most decision models use four types of data