When Celeste Was Playing Her Stereo at 40 Decibels and She

question 244

Multiple Choice

When Celeste was playing her stereo at 40 decibels and she turned it up to 44 decibels,she could notice that it was louder.Based on this information you could predict that if Celeste has her stereo playing at 80 decibels,her just noticeable difference for loudness would be

• A) 4 decibels, the same as it was at 40 decibels.
• B) 2 decibels, half as much as it was at 40 decibels.
• C) impossible to determine without more information.
• D) 8 decibels, twice as much as it was at 40 decibels.

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Definitions:

Electronic Devices

Gadgets like smartphones, laptops, and tablets that operate on electrical power and digital information.

Supply of Labor

The total hours that workers in the economy are willing and able to work at a given wage rate.

Demand for Labor

The total amount of workers employers are willing and able to hire at a given wage rate in a certain period.

Unemployment

A situation where individuals who are willing and able to work cannot find a job.