An opinion poll was conducted among a group of registered voters in a certain state concerning a proposition aimed at limiting state and local taxes. results of the poll indicated that 30% of the voters favored the proposition, 50% were against it, and the remaining group were undecided. if the results of the poll are assumed to be representative of the opinions of the state's electorate, then 30% of the voters are undecided. 10% of the voters are undecided. 20% of the voters are undecided. can not tell.