The 120 Consumers Were Asked About Their Buying Preferences Concerning

question 176

Multiple Choice

The 120 consumers were asked about their buying preferences concerning another product that is sold in the market under three labels. The results were ​
12 buy only those sold under label A.
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24 buy only those sold under label B.
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27 buy only those sold under label C.
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14 buy only those sold under labels A and B.
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9 buy only those sold under labels A and C.
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11 buy only those sold under labels B and C.
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7 buy the product sold under all three labels.
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How many of the consumers surveyed buy the product sold under none of these labels?
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• A) 81
• B) 16
• C) 12
• D) 32
• E) 104

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Definitions:

Service Diaphragm

A flexible membrane in a device or pump that moves in response to pressure changes, used in various applications including brakes.

Treadle Valve

A treadle valve regulates air pressure in a pneumatic system, often found in heavy vehicles like trucks and buses, controlling braking force by the amount of pressure applied by the driver's foot.

Metered Out

In fluid dynamics and pneumatics, refers to the controlled release or distribution of a fluid at a measured rate from a system.

Primary Piston

The main piston in a hydraulic or pneumatic system that initiates movement or pressure in the system.