The Chief Chemist for a Major Oil and Gasoline Production

question 12

Multiple Choice

The chief chemist for a major oil and 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 100 randomly inspected 1-gallon samples of regular unleaded gasoline?

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

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Definitions:

Plasticity

The capacity of the brain to change and adapt in response to new experiences, learning, or injury.

Neural Connections

The links between neurons in the brain that are essential for processing and transmitting information through synaptic activity.

Brain Reorganization

The process by which the brain alters its structure and functioning in response to changes in its environment, typically following injury or through learning.

Endocrine System

The collection of glands that produce hormones to regulate processes such as growth, metabolism, and sexual function.