In a Recent Survey, 80% of the Community Favored Building

question 67

Multiple Choice

In a recent survey, 80% of the community favored building a health center in their neighborhood. If 15 citizensare chosen, what is the standard deviation of the number favoring the health center?

• A) 1.55
• B) 2.40
• C) 0.98
• D) 0.55

---

Definitions:

Vascular Cambium

Vascular cambium is a layer of dividing cells in plants, located between the xylem and phloem, responsible for the secondary growth that increases the thickness of stems and roots.

Xylem

The vascular tissue in plants responsible for the conduction of water and minerals from the roots to the leaves and shoots.

Phloem

The vascular tissue in plants responsible for the transport of nutrients, especially sugars, produced by photosynthesis to various parts of the plant.

Cortex

(1) The outer part of an organ, such as the cortex of the kidney. Compare with medulla. (2) The tissue between the epidermis and vascular tissue in the stems and roots of many herbaceous plants.