At a used-book sale, 106 books are adult books and 150 are children's books. Of the adult books, 72 are nonfiction, while 65 of the children's books are nonfiction. If a book is selected at random, find the probability of selecting the books for the following. Round the answers to three decimal places.   a. Fiction b. Not a children’s nonfiction book c. An adult book or a children’s nonfiction book

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