The Approximate Absolute Threshold for Hearing Is a Clock's Tick

question 97

Multiple Choice

The approximate absolute threshold for hearing is a clock's tick from 20 feet away when all is quiet.Given that information,which statements is TRUE?

• A)All people with normal hearing will be able to detect the clock tick.
• B)Fifty percent of people will be able to detect the clock tick 100% of the time.
• C)Weber's law predicts that the tick will not be heard from 40 feet away.
• D)A person will not hear the clock tick 50% of the time.

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Definitions:

Interval

A range of numbers between two set points.

Real Number Line

A one-dimensional line on which every point corresponds to a real number and every real number to a point.

Real Number Line

A line that graphically represents all possible real numbers, where each point on the line corresponds to a unique real number.

Inequality

An inequality is a mathematical statement indicating that two expressions are not equal, represented by symbols such as > (greater than), < (less than), ≥ (greater than or equal to), or ≤ (less than or equal to).