The Number of Typographical Errors in a Document Follows a Poisson

question 84

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 4 pages. Find $\mu _ { x }$ .

• A) 3
• B) 13
• C) 3.5
• D) 12

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Definitions:

Commercial Bath

A bath product or facility designed for public or mass use, often marketed for relaxation or therapeutic purposes.

Cleansing Pack

A set of products or items designed for the purpose of cleaning wounds or skin to prevent infection and promote healing.

Bag Bath

A bag bath is a method of bathing that involves using pre-moistened, disposable cloths contained in a bag to cleanse the body, commonly used in healthcare settings for patients who cannot bathe themselves.

Oral Mucosa

The moist, protective lining of the oral cavity, including the gums, cheeks, lips, and roof and floor of the mouth.