Solar Energy Is Considered by Many to Be the Energy

question 49

Multiple Choice

Solar energy is considered by many to be the energy of the future. A recent survey was taken to compare thecost of solar energy to the cost of gas or electric energy. Results of the survey revealed that the distribution ofthe amount of the monthly utility bill of a 3-bedroom house using gas or electric energy had a mean of $120and a standard deviation of $11. If the distribution can be considered bell shaped, what percentage of homeswill have a monthly utility bill of more than $109?

• A) approximately 84%
• B) approximately 95%
• C) approximately 16%
• D) approximately 32%

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Definitions:

Abstract Ideas

Concepts that are not tangible or concrete, existing in thought or as an idea without a physical representation.

Constructs

Abstract concepts developed in the mind to understand and interpret the world around us.

Dimensions

Different aspects, elements, or components that can be measured in various contexts or situations.

Single

In a research or statistical context, it typically refers to an unmarried individual or a data point not paired or grouped with others.