Show that the matrix has no inverse.
What will be an ideal response?
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Use a calculator to approximate the square root to three decimal places. Check to see that the approximation is reasonable.
A. 46.996 B. 47.009 C. 3.609 D. 3.613
Solve the problem.Construct a preference schedule for 41 voters and 4 candidates that has a Condorcet candidate that fails to be elected by both the Borda count method and the plurality method.
What will be an ideal response?
Solve the system. If there is an unlimited number of solutions, find one of them.x + y - 2z = 83x + z = -62x - y + 3z = -14
A. x = -1, y = -2, z = 2 B. x = 1, y = 1, z = -2 C. Unlimited: x = -2, y = 10, z = 0 D. Inconsistent
Refer to the weighted voting system 
and the Banzhaf definition of power. (The four players are P1, P2, P3, and P4.)What is the weight of the coalition {P2, P3, P4}?
A. 9 B. 10 C. 12 D. 6 E. none of these