The Number of Typographical Errors in a Document Follows a Poisson

question 42

Multiple Choice

The number of typographical errors in a document follows a Poisson distribution with a mean of 3 errors per page. Let $X$ represent the number of errors on 3 pages. Find $P ( 9 )$ .

• A) 0.1186
• B) 0.0027
• C) 0.1318
• D) 0.9973

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Definitions:

Doctrine of Behaviorism

A theory in psychology that focuses on studying observable behaviors rather than the mental processes behind them, and believes that behaviors are learned from the environment.

Social Psychology

A branch of psychology that deals with understanding how individual thoughts, feelings, and behaviors are influenced by the actual, imagined, or implied presence of others.

Freudian Theory

A set of psychoanalytic theories developed by Sigmund Freud that emphasizes unconscious motives and conflicts, including the roles of the id, ego, and superego.

Social Cognition

The way in which individuals process, store, and apply information about other people and social situations.