A Sample of Size 85 Will Be Drawn from a Population

question 10

Multiple Choice

A sample of size 85 will be drawn from a population with mean 20 and standard deviation 8. Find the probability that $\bar { x }$ will be between 19 and 22.

• A) 0.8256
• B) 0.8642
• C) 0.0107
• D) 0.1251

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Definitions:

Endocrine System

A network of glands and organs that produce, store, and release hormones into the bloodstream, regulating many of the body's processes such as metabolism, growth, and development.

Respiratory System

The network of organs and tissues that help you breathe, including the lungs, airways, and muscles of respiration.

Digestive System

The group of organs responsible for the breakdown and absorption of food and nutrients, and the elimination of waste.

Calcium Deposits

Mineral build-up in body tissues, which can lead to various conditions depending on their location.