Question 11.78

48. In Skills Checks 14–16, we considered a five-voter system in which the minimal winning coalitions are , , and .

  1. image Show that this system is not equivalent to any weighted voting system.
  2. Explain why and have equal power and why and have equal power.
  3. Make a list of all of the winning coalitions and use it to determine the Banzhaf power index of each voter.