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

question 26

Multiple Choice

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 in excess of 4.3 ounces of this ingredient from randomly inspected 100 gallons of regular unleaded gasoline?

• A).5987
• B).4013
• C).9938
• D).0062

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Definitions:

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