Answer Happy

During an election campaign, a survey had been carried out, to assess the voting intentions in favor of a party. Results are obtained from four independent samples (four cities were selected randomly): Vote for the Party Will note vote for the party Total City 1 94 240 334 City 2 58 230 288 City 3 60 252 312 City 4 43 197 240 1) Can you support, at a = 5% that the proportions of the voters who intend to vote in favor to this party are equal (when comparing different cities)? 2) Can you support, at a = 1% that the proportions of the voters who intend to vote in favor to this party are equal (when comparing different cities)?