A Discrete Random Variable Is a Random Variable

question 58

Multiple Choice

A discrete random variable is a random variable:

• A)that can assume any value in one or more intervals
• B)whose set of values is countable
• C)that is derived from a random population
• D)that is determined by random probability

---

Definitions:

Biological Drives

Innate impulses that drive behavior and ensure survival, such as hunger, thirst, and the need for sleep.

External Rewards

Benefits or incentives provided by an external source, such as money, praise, or awards, that motivate behavior.

Biological Drives

Innate impulses that direct or motivate behavior, such as hunger, thirst, and the drive for sex.

Mastery Goals

Objectives focused on developing competence or mastering a skill rather than on comparing oneself to others.