X Is a Normally Distributed Random Variable with a Mean

question 54

Multiple Choice

x is a normally distributed random variable with a mean of 12 and a standard deviation of 3. The probability that x equals 19.62 is

• A) 0.000.
• B) 0.0055.
• C) 0.4945.
• D) 0.9945.

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Definitions:

Operant Conditioning

A learning method that occurs through rewards and punishments for behavior, aimed at influencing voluntary actions.

Socially Withdrawn

A tendency to pull away from social interactions or situations, often due to discomfort, shyness, or personal preference.

Temper Tantrum

An emotional outburst, typically in children, characterized by yelling, crying, or physical expressions of frustration.

Cognitive Therapists

Specialists in psychology who focus on modifying dysfunctional emotions, behaviors, and thoughts through a goal-oriented, systematic approach.