A survey is conducted to determine the most liked color of the rainbow. The result of the 200 people showed that 44% liked the color blue the most. Find the margin of error and the interval.

Peter applied to an accounting firm and a consulting firm. he knows that 30% of similarly qualified applicants receive job offers from the accounting firm, while only 20% of similarly qualified applicants receive job offers from the consulting firm. assume that receiving an offer from one firm is independent of receiving an offer from the other. what is the probability that both firms offer peter a job?