Customers Arrive at a Single Self-Serve Coffee Machine in a Busy

question 23

Multiple Choice

Customers arrive at a single self-serve coffee machine in a busy mall at the rate of 20 per hour, following Poisson distribution. Each customer takes exactly 90 seconds to get his or her coffee. What is the expected number of customers in queue at this coffee machine?

• A) 1.0
• B) 1.5
• C) 0.5
• D) 2.0
• E) 3.0

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Definitions:

Cardiac Patients

Individuals receiving medical attention for conditions related to the heart.

Aspirin

A medication used to reduce pain, fever, or inflammation, known chemically as acetylsalicylic acid.

Emergency Room

A specialized department in a hospital that provides immediate treatment for acute illnesses and trauma.

House Calls

House calls refer to visits made by professionals, such as healthcare providers, to the home of a client or patient to deliver services.