A book can be classified as either non-fiction or fiction. Suppose that 96% of books are classified as fiction. (a) Two books are chosen at random. What is the probability that both books are fiction? (b) Seven books are chosen at random. What is the probability that all seven books are fiction? (c) What is the probability that at least one of seven randomly selected books is non-fiction? Would it be unusual that at least one of seven randomly selected books is non-fiction? (a) Two books are chosen at random. What is the probability that both books are fiction? The probability is. (Round to four decimal places as needed.)