The Intelligence Quotient (IQ) Test Scores Are Normally Distributed with a Mean

question 71

Multiple Choice

The Intelligence Quotient (IQ) test scores are normally distributed with a mean of 100 and a standard deviation of 15. You enrolled in a class of 25 students. What is the probability that the class' average IQ exceeds 130?

• A) 0.0228
• B) 0.9772
• C) Approximately zero
• D) 0.9544

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Definitions:

Adaptive Problem Solving

The ability to effectively address and find solutions for new and challenging situations or problems as they arise.

Recess

A period of time when proceedings or activities are temporarily suspended, often used in educational settings for breaks.

Misbehaved

Exhibiting behavior that is not acceptable based on societal or situational norms.

Cognitive-Behavioral Therapy

A therapeutic approach that addresses dysfunctional emotions, behaviors, and cognitions through goal-oriented, systematic procedures.