In a randomly selected sample of 460 of the state's registered voters, 160 individuals say that they plan to vote for the incumbent candidate in the upcoming election. a.) the point estimate for the true proportion of registered voters planning to vote for the incumbent is...? b.) Calculate the 99% bound on the estimate computed in "a" is:? c.) Find the 99% confidence interval for the proportion of the registered voter population who plan to vote for the incumbent candidate.