Scientists in the Amazon Are Trying to Find a Cure

question 81

Multiple Choice

Scientists in the Amazon are trying to find a cure for a deadly disease that is attacking the rain forests there.One of the variables that the scientists have been measuring involves the diameter of the trunk of the trees that have been affected by the disease.Scientists have calculated that the average diameter of the diseased trees is 42 centimetres.They also know that approximately 95% of the diameters fall between 32 and 52 centimetres and almost all of the diseased trees have diameters between 27 and 57 centimetres.When modelling the diameters of diseased trees,which distribution should the scientists use?

• A)Exponential distribution.
• B)Normal distribution.
• C)Uniform distribution.
• D)Binomial distribution.

---

Definitions:

Epidermis

The outermost layer of skin in mammals, serving as a protective barrier against environmental damage.

Primary Xylem

The initial vascular tissue in plants that conducts water and nutrients from the roots to the rest of the plant, formed during primary growth.

Xylem

The vascular tissue in plants responsible for the conduction of water and nutrients from the roots to the rest of the plant.

Woody

Describing plant tissue that is hard and fibrous, typically found in trees and shrubs, providing structural support.