The two-way table shows the number of books of each type in Eliza's home.
Fiction Biographies Reference Total
Hardcover28 2 10 40
Paperback4 1 15 20
Total32 3 25 60
What is the probability that a randomly selected reference book is hardcover?
A0.25
B0.4
C0.6
D0.75
| Fiction | Biographies | Reference | Total | |
Hardcover | 28 | 2 | 10 | 40 |
Paperback | 4 | 1 | 15 | 20 |
Total | 32 | 3 | 25 | 60 |
A0.25
B0.4
C0.6
D0.75