A book can be classified as either non-fiction or fiction. Suppose that 91% of books are classified as fiction. (a) Two books are chosen at random. What is the probability that both books are fiction? (b) Six books are chosen at random. What is the probability that all six books are fiction? (c) What is the probability that at least one of six randomly selected books is non-fiction? Would it be unusual that at least one of six randomly selected books is non-fiction?

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