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:

Frequency

In the context of waves, it refers to the number of cycles of a wave that pass a certain point in a given period of time, typically measured in Hertz (Hz).

Operant Conditioning

Operant Conditioning is a learning process in which the strength of a behavior is modified by reinforcement or punishment.

Generalization

The process of extending the application of a response to stimuli that are similar to the conditioned stimulus in classical conditioning.

Reinforced Behavior

Behavior that is strengthened or made more likely to occur in the future due to the consequence of a reinforcement.