a random sample of 415 potential voters was interviewed 3 weeks before the start of a state-wide campaign for governor; 223 of the 415 said they favored the new candidate over the incumbent. however, the new candidate made several unfortunate remarks one week before the election. subsequently, a new random sample of 6 30 potential voters showed that 317 voters favored the new candidate. do these data support the conclusion that there was a decrease in voter support for the new candidate after the unfortunate remarks were made? give appropriate statistical evidence to support your answer.college board