4. At a used-book sale, 100

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**Used-Book Sale Probability Problem**

At a used-book sale, there are a total of 260 books. Of these, 100 are adult books, and 160 are children's books. Among the adult books, 70 are nonfiction, while 60 of the children's books are nonfiction. If a book is selected at random, calculate the probability of the following:

a. **Fiction**

b. **Not a children's nonfiction book**

c. **An adult book or a children's nonfiction book**

**Data Table:**

|                | Adult | Children | Total |
|----------------|-------|----------|-------|
| Non-Fiction    | 70    | 60       | 130   |
| Fiction        | 30    | 100      | 130   |
| Total          | 100   | 160      | 260   |

**Tasks:**

1. Calculate the probability of selecting a fiction book.
2. Determine the probability of picking a book that is not a children's nonfiction book.
3. Find the probability that the book chosen is either an adult book or a children's nonfiction book.
Transcribed Image Text:**Used-Book Sale Probability Problem** At a used-book sale, there are a total of 260 books. Of these, 100 are adult books, and 160 are children's books. Among the adult books, 70 are nonfiction, while 60 of the children's books are nonfiction. If a book is selected at random, calculate the probability of the following: a. **Fiction** b. **Not a children's nonfiction book** c. **An adult book or a children's nonfiction book** **Data Table:** | | Adult | Children | Total | |----------------|-------|----------|-------| | Non-Fiction | 70 | 60 | 130 | | Fiction | 30 | 100 | 130 | | Total | 100 | 160 | 260 | **Tasks:** 1. Calculate the probability of selecting a fiction book. 2. Determine the probability of picking a book that is not a children's nonfiction book. 3. Find the probability that the book chosen is either an adult book or a children's nonfiction book.
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