An Environmental Scientist Obtains a Sample of Water from an Irrigation

question 18

Multiple Choice

An environmental scientist obtains a sample of water from an irrigation canal that contains a certain type of bacteria at a concentration of 4 per milliliter. Find the standard
Deviation of the number of bacteria in a 6-milliliter sample.

• A) 24
• B) 2
• C) 4.9
• D) 4

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Definitions:

Gross Profit

Gross profit is the difference between revenue and the cost of goods sold (COGS), representing the profit a company makes after deducting the costs directly associated with producing its goods or services.

Cost of Goods Sold

An accounting term for the direct costs attributable to the production of the goods sold by a company.

Service Business

A type of business that primarily offers intangible goods or services to consumers, such as consulting, legal advice, and maintenance services.

Merchandising Business

A type of business that makes profit by buying goods at a wholesale price and selling them at a retail price, primarily dealing in goods rather than services.