AAA Co Operates Distribution Centers in the Midwest

question 7

Short Answer

AAA Co. operates distribution centers in the Midwest. Three of their centers were recently audited to determine if they are in compliance with company standard billing procedures. According to the auditing firm, a billing had an equal probability of being from each of the three centers. A random sample of the audited billings had the following distribution.
Center 1: 385 billings
Center 2: 305 billings
Center 3: 210 billings
State the null hypothesis that states the expectations of the auditors.

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Definitions:

Monocytes

A type of white blood cell that plays an essential role in the immune system by combating infections and participating in the inflammatory process.

Lymphocytes

A type of white blood cell that plays a vital role in the immune system, involved in protecting the body against infections and diseases.

Granules

Small particles or grains, often referring to components within cells or materials with a granular texture.

WBC Count

A measure of the number of white blood cells in a volume of blood, indicating immune function or potential infection.