Refer to the weighted voting system 
and the Banzhaf definition of power. (The four players are P1, P2, P3 and P4.)The winning coalitions are
A. all coalitions with two or more players.
B. all coalitions with three or more players, one of which is P1.
C. all coalitions with three or more players.
D. all coalitions with P1 in it.
E. none of these
Answer: B
Mathematics
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A. 
B. 
C. 
D. 
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- 1 = x
A. 0, 4 B. 5 C. 0, 5 D. 0
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