A forest ranger is studying the health of oak trees in a large forest. A random sample of oak trees was surveyed, and it was found that of these oak trees showed signs of a particular fungal infection. Which of the following conclusions is best supported by the sample data?
Approximately of all trees in the forest show signs of the fungal infection.
Approximately of all oak trees in the forest show signs of the fungal infection.
The majority of trees in the forest do not have the fungal infection.
Exactly of the oak trees in the forest have the fungal infection.