Question: 1. In a BIP problem, 1 corresponds to a yes decision and 0 to a no decision. If there are 4 projects under consideration (A,

1. In a BIP problem, 1 corresponds to a yes
1. In a BIP problem, 1 corresponds to a yes decision and 0 to a no decision. If there are 4 projects under consideration (A, B, C, and D) and at most 2 can be chosen then the following constraint needs to be added to the formulation: a. A + B + C + D 5 4. b. A + B + C + D s 1. C. A+B+C+Ds 2. d. None of the choices is correct. e. A + B + C + D = 2. 2. In a BIP problem with 2 mutually exclusive alternatives, x1 and x2, the following constraint needs to be added to the formulation: a. x1 + x2 2 1. b. None of the choices is correct. c. x1 - x2 s 1. d. x1 + x2 s 1. e. x1 - x2 = 1

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