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Selecting a Book At a used-book sale, 100 books are adult
Chapter 4, Problem 12E(choose chapter or problem)
Problem 12E
Selecting a Book At a used-book sale, 100 books are adult books and 160 are children’s books. Of the adult books, 70 are nonfiction while 60 of the children’s books are nonfiction. If a book is selected at random, find the probability that it is
a. Fiction
b. Not a children’s nonfiction book
c. An adult book or a children’s nonfiction book
Questions & Answers
QUESTION:
Problem 12E
Selecting a Book At a used-book sale, 100 books are adult books and 160 are children’s books. Of the adult books, 70 are nonfiction while 60 of the children’s books are nonfiction. If a book is selected at random, find the probability that it is
a. Fiction
b. Not a children’s nonfiction book
c. An adult book or a children’s nonfiction book
ANSWER:
Solution:
Step 1 of 4:
In a used- book sale, 100 books are adult books and 160 are children's books.
In the adult books, 70 are nonfiction, and 60 of the children’s books are nonfiction.
One book is randomly selected.
We have to find the following probabilities.
- Fiction.
- Not a children's nonfiction book.
- An adult book or a children's nonfiction book.