A Random Variable X Is Best Described by a Continuous

question 67

Multiple Choice

A random variable X is best described by a continuous uniform distribution from 20 to 45 inclusive. The standard deviation of this distribution is approximately:

• A)52.1.
• B)32.5.
• C)6.85.
• D)7.22.

---

Definitions:

3 Dimensional

Pertaining to objects that have depth, width, and height, giving them a sense of volume and space.

Complex Patterns

Intricate and detailed arrangements or sequences that are often repeated or systemic in nature.

Novel Stimuli

New or unfamiliar objects or events that evoke a response from an organism.

Habituated

The process by which an organism becomes accustomed to a repeated stimulus over time and gradually stops responding to it.