only 13.8 This is chance Strategy and choice problem . These are the all information that I have

13.8 Define a yes-no voting system with four senators, S,....$4, and eight congress- men, C1.. ... C. To pass, a measure must have the support of all four senators and at least four congressmen. Prove that this is a weighted voting system by finding quota and weights. 13.9 The bicameral U.S. Congress is a yes-no voting system with voters of two types