A grocery bag can be classified as either paper or plastic. Suppose that 81% of grocery bags are classified as plastic. (a) Two grocery bags are chosen at random. What is the probability that both grocery bags are plastic? (b) Eight grocery bags are chosen at random. What is the probability that all eight grocery bags are plastic? (c) What is the probability that at least one of eight randomly selected grocery bags is paper? Would it be unusual that at least one of eight randomly selected grocery bags is paper? (a) Two grocery bags are chosen at random. What is the probability that both grocery bags are plastic? The probability is (Round to four decimal places as needed.)