For each problem, a weighted voting system is given in standard notation. Parts (a) thro...

For each problem, a weighted voting system is given in standard notation. Parts (a) through (d) represent coalitions of voters in favor of a measure. Determine if these coalitions are winning coalitions or losing coalitions.

[16 | 9, 7, 6, 4, 3, 2]

a. {P₁, P₄, P₆}

b. {P₂, P₃, P₆}

c. {P₂, P₃, P₄}

d. {P₃, P₄, P₅, P₆}