The Intelligence Quotient (IQ) Test Scores for Adults Are Normally

question 98

Multiple Choice

The Intelligence Quotient (IQ) test scores for adults are normally distributed with a mean of 100 and a standard deviation of 15. What is the probability we could select a sample of 50 adults and find that the mean of this sample is between 98 and 103?

• A) 0.3264
• B) 0.9428
• C) 0.4702
• D) 0.7471

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Definitions:

Incremental Theorist

An Incremental Theorist believes that personal qualities, such as intelligence and ability, can be developed over time through effort and perseverance.

Entity Theorist

An individual who believes that personal qualities such as intelligence or talent are fixed traits and not significantly changeable over time.

Immediate Success

The rapid achievement of a goal or attainment of positive results shortly after efforts are made.

Prosocial Manner

Behaving in a way that is positive, helpful, and intended to promote social acceptance and friendship.