Consider an Espresso Stand with a Single Barista

question 30

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 hour.The probability that there are exactly 3 customers in the system is

• A)0.0000
• B)0.1024
• C)0.4096
• D)0.5120

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Definitions:

Cortisol

A steroid hormone produced by the adrenal glands, often referred to as the "stress hormone" because it's released in response to stress and low blood-glucose concentration.

Conscientiousness

A personality trait characterized by thoroughness, a desire to do a task well, and an ability to organize and act responsibly.

Middle Frontal Gyrus

A region of the brain located in the frontal lobe, associated with executive functions such as problem-solving, memory, and decision-making.

Neurotransmitters

Chemical substances in the nervous system that transmit signals across synapses from one neuron to another.