A Set of Final Examination Grades in a Calculus Course

question 76

Multiple Choice

A set of final examination grades in a calculus course was found to be normally distributed with a mean of 69 and a standard deviation of 9.What proportion of students scored between 81 and 89?

• A).0668
• B).0132
• C).0786
• D).0529

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Definitions:

Conversion Disorder

A mental condition where psychological stress is expressed as physical symptoms that cannot be explained by medical evaluation.

Anorexia Nervosa

An eating disorder characterized by an abnormally low body weight, intense fear of gaining weight, and a distorted perception of body weight or shape.

Dissociative Identity Disorder

A severe form of dissociation characterized by two or more distinct personality states or identities within a single individual.

Dissociative Disorder

A mental health condition characterized by a disconnection and lack of continuity between thoughts, memories, surroundings, actions, and identity.