An Elementary School Teacher Learned That 40 Percent of School

question 95

Short Answer

An elementary school teacher learned that 40 percent of school age children have at least 3 cavities.The teacher has 30 students in his class.What is the standard deviation for the number of school age children that have at least 3 cavities?

---

Definitions:

Leaves

The flattened structures in plants and trees that are typically green and function primarily for photosynthesis, capturing light energy to convert carbon dioxide and water into sugars.

Flowers

The reproductive structures of angiosperms (flowering plants), consisting of specialized tissues for the production of seeds and fruit.

Arabidopsis

A small flowering plant used extensively in the study of genetics, molecular biology, and plant sciences due to its relatively simple genome and short life cycle.

Monopteros Gene

A gene in Arabidopsis thaliana that plays a crucial role in the development of the root apical meristem and axial pattern formation.