Ella's book collection contains 12 books, including 3 mysteries. If Ella randomly selects a book to read, what is the probability that it will be a mystery?

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asked Jul 28, 2021 178k views

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Kamil Karkus · Answer 1 · 2021-07-29T16:13:13+0000

Since there are only 3 mystery books, so the probability of Ella picking one is 3/12. Simplified, this would be 1/4, as a decimal, 0.25, and as a percent, 25%.

Ella's book collection contains 12 books, including 3 mysteries. If Ella randomly selects a book to read, what is the probability that it will be a mystery?

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