Consider an Espresso Stand with a Single Barista

question 18

Multiple Choice

Consider an espresso stand with a single barista.Customers arrive at 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 more than 2 customers in the system is

• A)0.128
• B)0.488
• C)0.512
• D)0.640

Determine control limits and interpret control charts to identify process variations.

Distinguish between common cause and special cause variations and understand their implications on process capabilities.

Utilize appropriate statistical tools to improve process understanding.

Implement strategies for process improvement and capability analysis.

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Definitions:

Protozoal Infection

A type of infection caused by protozoa, single-celled organisms that can either be free-living or parasitic.

Parasitic Infection

An infestation by parasites such as protozoa, worms, or insects that live on or inside a host organism, often causing disease.

O&P Specimen

An ova and parasites specimen, or a stool sample, that is examined for the presence of certain forms of protozoans or parasites, including their eggs (ova).

Dehydrated

A state of body water loss that exceeds water intake, leading to symptoms such as thirst, dizziness, and dry skin.