The Number of Typographical Errors in a Document Follows a Poisson

question 53

Multiple Choice

The number of typographical errors in a document follows a Poisson distribution with a mean of 4 errors per page. Let X represent the number of errors on 2 pages. Find $\sigma _ { x }$

• A) 3.8
• B) 2.8
• C) 8
• D) 4

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Definitions:

Application and Control

Involves the use of knowledge and techniques to achieve desired outcomes and manage systems effectively.

Science Goal

The objective or aim of a scientific endeavor, intended to advance knowledge or solve a specific problem.

Extraneous Variable

Denotes any variable other than the independent variable that might cause unwanted changes in the outcome of an experiment.

Independent Variable

The variable that is manipulated or changed in an experiment to test its effects on the dependent variable.