A poll was conducted on voter’s opinions on two candidates withmargin of errors at 3.5%. Candidate A 38% Candidate Z 41% Undecided21%
(a) Can we conclude that Candidate Z has a clear statisticallead over Candidate A? Briefly justify your answer.
(b)Â Â Assuming 95% of confidence level, estimate thenumber of people participated in the poll. Round your answer to thenearest whole number.
