A Study Was Conducted in a Large Population of Adults

question 2

Multiple Choice

A study was conducted in a large population of adults concerning eyeglasses for correcting reading vision.Based on an examination by a qualified professional,the individuals were judged as to whether or not they needed to wear glasses for reading.In addition it was determined whether or not they were currently using glasses for reading.The following table provides the proportions found in the study. If a single adult is selected at random from this large population,what is the probability that the adult is judged to need eyeglasses for reading?

• A)0.46
• B)0.42
• C)0.78
• D)0.60
• E)0.40

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Definitions:

Controllable Fixed Costs

Fixed costs that management has the authority to increase or decrease, such as advertising expenses or research and development costs.

Contribution Margin

The amount by which a product’s selling price exceeds its variable costs, indicating how much contributes to covering fixed costs and generating profit.

Cost Center

A department or unit within an organization that does not directly generate revenue but incurs costs, used for budgeting and cost control.

Control Costs

Efforts and measures implemented to monitor and manage expenses to ensure they align with budgetary constraints and financial goals.