The Average Score of 100 Students Taking a Statistics Final

question 13

Multiple Choice

The average score of 100 students taking a statistics final was 70,with a standard deviation of 7. Assuming a normal distribution,what is the probability that a student scored 90 or higher?

• A)0.4979
• B)0.0021
• C)0.9979
• D)2.86

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Definitions:

Displacing

In psychology, a defense mechanism where an individual redirects emotional or behavioral responses from the intended object to another, less threatening one.

Forbidden Acts

These are actions or deeds that are prohibited by law, rules, or cultural norms, often associated with consequences if violated.

Oedipal Conflicts

A psychoanalytic term describing a child's feelings of desire for the opposite-sex parent and jealousy and envy toward the same-sex parent.

Electra Complex

A psychoanalytic concept involving a girl's psychosexual competition with her mother for possession of her father.