SOLUTION: A bookshelf contains 8 mystery, 5 adventure, and 7 nonfiction books. One book from the shelf is chosen at random. What is the probability of a mystery book being selected?

Algebra ->  Probability-and-statistics -> SOLUTION: A bookshelf contains 8 mystery, 5 adventure, and 7 nonfiction books. One book from the shelf is chosen at random. What is the probability of a mystery book being selected?      Log On


   

Question 1141976: A bookshelf contains 8 mystery, 5 adventure, and 7 nonfiction books. One book from the shelf is chosen at random. What is the probability of a mystery book being selected?
Answer by greenestamps(13195) About Me  (Show Source):
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From the basic definition of probability...
               # of mystery books
P(mystery) = -----------------------
              total number of books