When Observing a Checkout Line at a Food Store, the Average

question 32

Essay

When observing a checkout line at a food store, the average number of people served is 30 per hour. Using the Poisson distribution, what is the standard deviation of the number of people served in an hour?

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Definitions:

Paradoxical Sleep

Another term for REM (Rapid Eye Movement) sleep, characterized by high brain activity and vivid dreaming, despite the body's muscles being in a state of paralysis.

REM Sleep

Rapid Eye Movement sleep, a unique phase of sleep characterized by vivid dreaming and paralysis of motor systems.

Autonomic Changes

Alterations in the involuntary nervous system that regulate bodily functions such as heart rate, digestive processes, and respiratory rate.

Ekman

Refers to Paul Ekman, a psychologist known for his work on the classification of human emotions and their expression through facial gestures.