The Weekly Earnings of Bus Drivers Are Normally Distributed with a Mean

question 48

Short Answer

The weekly earnings of bus drivers are normally distributed with a mean of $395. If only 1.1 percent of the bus drivers have a weekly income of more than $429.35, what is the value of the standard deviation of the weekly earnings of the bus drivers?

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Definitions:

Place Theory

A theory in psychology and philosophy that suggests physical location and environment play a significant role in how individuals perceive and interact with the world around them.

Frequency Theory

A theory in the field of psychology that suggests the rate at which nerve impulses are fired in the auditory nerve corresponds to the frequency of a sound wave, enabling us to detect its pitch.

Volley Principle

A theory in auditory neuroscience suggesting that groups of neurons can provide a temporal coding for frequencies by firing in rapid succession, allowing the brain to perceive sounds up to about 5000 Hz.

Binaural Cues

Sounds that enable the brain to perceive direction and distance by comparing the input from both ears.