What Is the Probability That a Standard Normal Random Variable

question 60

Multiple Choice

What is the probability that a standard normal random variable will be between −2 and 2?

• A) .4772
• B) .0228
• C) .9772
• D) .9544

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Definitions:

Limited Effects

A theory suggesting that media has a minimal or limited influence on individuals, as their real-world social interactions and personal factors play a more significant role in shaping attitudes and behaviors.

Social and Psychological Factors

Elements that influence the behavior, attitudes, and emotions of individuals, stemming from their society and psychological makeup.

Public Mind

The collective beliefs, opinions, and perceptions held by the general population at a given time.

Charles Horton Cooley

An American sociologist known for his theory of the "Looking-Glass Self," which suggests that a person's self grows out of society's interpersonal interactions and the perceptions of others.