Consider an Espresso Stand with a Single Barista

question 24

Multiple Choice

Consider an espresso stand with a single barista. Customers arrive to the stand at the rate of 28 per hour according to a Poisson distribution. Service times are exponentially distributed with a service rate of 35 customers per minute. If the arrival rate remains at 28 customers per hour and the stand's manager wants to have the average time a customer spends in the system (i.e., wait line time and service time) to be a maximum of 6 minutes on average, then the service rate must

• A) decrease by 2 to 33 customers per hour.
• B) decrease by 3 to 32 customers per hour.
• C) increase by 3 to 38 customers per hour.
• D) increase by 2 to 37 customers per hour.

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Definitions:

Axon

A long, slender projection of a nerve cell, or neuron, that conducts electrical impulses away from the neuron's cell body to transmit information to different neurons, muscles, and glands.

Reticular Formation

A complex network of interconnected neurons that are involved in regulating wakefulness, sleep, and transition between sleep and wakefulness, as well as in various reflex actions.

Limbic System

A complex system of nerves and networks in the brain, controlling basic emotions and drives like fear, pleasure, and anger.

Amygdala

A part of the brain within the temporal lobe, crucial for emotion regulation, particularly fear, and memory.