A local library tracked the types of books checked out by adults and children over a week. The results are shown in the table below.
| Mystery | Sci-Fi | History | Total | |
|---|---|---|---|---|
| Adults | 30 | 20 | 40 | 90 |
| Children | 20 | 30 | 10 | 60 |
| Total | 50 | 50 | 50 | 150 |
Based on the data, which of the following statements is true?
A randomly selected book is more likely to be Sci-Fi if checked out by an adult than if checked out by a child.
A randomly selected book is more likely to be History if checked out by a child than if checked out by an adult.
The probability of a book being Mystery is the same whether checked out by an adult or a child.
Children are more likely to check out any type of book than adults.