A Service Counter Employs Two Servers

question 15

Multiple Choice

A service counter employs two servers.On average a server requires 8 minutes to process a customer and service times follow an exponential distribution.Customers arrive at the counter at the rate of 12 per hour according to a Poisson distribution.The average amount of time,in minutes,spent in the system (i.e. ,waiting and being served) is approximately

• A)0.237 minutes
• B)14.22 minutes
• C)22.20 minutes
• D)33.30 minutes

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Definitions:

Electrocardiogram

A test that measures the electrical activity of the heart to show abnormal rhythms and detect heart problems.

Sinoatrial

Referring to the sinoatrial node, a natural pacemaker of the heart that regulates the heartbeat by generating electrical impulses.

Stress Test

A medical test that assesses cardiovascular health and function during physical exertion.

Cardiac Catheterization

A diagnostic and therapeutic procedure that involves inserting a catheter into the heart through blood vessels to diagnose and treat cardiovascular conditions.