Consider an Espresso Stand with a Single Barista

question 29

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 the server is busy is

• A)0.20
• B)0.60
• C)0.80
• D)1.00

---

Definitions:

Class Rating

A classification that denotes the strength, capacity, or quality of equipment, materials, or vehicles according to a standard scale.

Truck Class

A categorization system used to classify trucks based on their maximum load capacity and gross vehicle weight rating (GVWR).

Air Brake Systems

A type of braking system used primarily in large, heavy vehicles, which uses compressed air to operate the brake mechanism.

ASE Certification

The certification body for automotive professionals across the United States. Certification tests are conducted online and in test centers.