The results of a recent poll of 8,500 randomly selected americans show that 58% are planning to vote for candidate b in the upcoming election. candidate b would like to know, within a 95% confidence level, what the maximum expected difference is between the true population parameter and the estimated population parameter. (95% confidence level = z*-score of 1.96) what is the margin of error for this poll? round your answer to the nearest tenth. %