In a survey of 1280 people who recently got new employment, 303 said they had to move to another state to find the job.
(a) If we are to be 99% confident about our estimate, with 2% margin of error, what is the number of people who recently got new employment we should survey?
(b) If we are to be 95% confident about our estimate, with 3% margin of error, what is the number of people who recently got new employment we should survey?