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The Chief Chemist for a Major Oil/gasoline Production Company Claims

question 14

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The chief chemist for a major oil/gasoline production company claims that the regular unleaded gasoline produced by the company contains on average 4 ounces of a certain ingredient.The chemist further states that the distribution of this ingredient per gallon of regular unleaded gasoline is normal and has a standard deviation of 1.2 ounces.What is the probability of finding an average less than 3.85 ounces of this ingredient from randomly inspected 64 gallons of regular unleaded gasoline?


Definitions:

Colostrum

The first form of milk produced by the mammary glands of mammals immediately following delivery of the newborn, rich in antibodies.

Antibodies

Proteins produced by the immune system to identify and neutralize foreign objects like bacteria and viruses.

Lactose

A disaccharide sugar derived from galactose and glucose that is found in milk, used by the body as a source of energy.

Somatic Cells

Any cell of the body that makes up the tissues, organs, and parts of the body, excluding the reproductive cells.

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