A True-False Test of 20 Questions Is Given to 10,000

question 28

Multiple Choice

A true-false test of 20 questions is given to 10,000 students. If all the students guess on each question, how many students would you expect to get 17 or more questions correct?

• A) 0.0013
• B) 11
• C) 13
• D) 0.0011

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Definitions:

Childhood

The period of life from birth until adolescence, encompassing physical, cognitive, and emotional development.

Narcissistic Personality Disorder

A mental condition characterized by a long-term pattern of exaggerated self-importance, need for excessive attention and admiration, and a lack of empathy for others.

Admiration

A feeling of respect and warm approval towards someone or something.

Avoidant Personality Disorder

Pervasive anxiety, sense of inadequacy, and fear of being criticized that lead to the avoidance of most social interactions with others and to restraint and nervousness in social interactions.