A Recent Survey Was Conducted to Compare the Cost of Solar

question 73

Multiple Choice

A recent survey was conducted to compare the cost of solar energy to the cost of gas or electric energy. Results of the survey revealed that the distribution of the amount of the monthly utility bill
Of a 3-bedroom house using gas or electric energy had a mean of $97 and a standard deviation of
$12. If nothing is known about the shape of the distribution, what percentage of homes will have a
Monthly utility bill of less than $73?

• A)at most 11.1%
• B)at least 75%
• C)at least 88.9%
• D)at most 25%

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Definitions:

Compulsive Hand Washing

An obsessive-compulsive behavior characterized by frequent and excessive washing of hands, often driven by irrational fears of contamination.

Reinforcement

In psychology, a process by which a behavior is strengthened or increased in frequency by its consequences.

Anxiety

A psychiatric condition marked by intense anxiety, worry, or dread, severe enough to disrupt daily life functions.

Compulsive Behaviors

Repetitive actions performed by an individual as a response to an obsession or according to rigid rules, often associated with anxiety relief.