A Service Counter Employs Two Servers

question 17

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 spent by a customer waiting in line is approximately

• A)0.370 minutes
• B)2.844 minutes
• C)14.22 minutes
• D)22.20 minutes

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Definitions:

Lasix

A brand name for furosemide, a medication used to treat fluid retention (edema) and swelling caused by congestive heart failure, liver disease, kidney disease, and other medical conditions.

Detrol

A medication used to treat symptoms of an overactive bladder, such as frequent or urgent urination.

Tofranil

A brand name for imipramine, a medication used to treat depression and sometimes enuresis (bedwetting) in children.

Bactrim

A brand name for a prescription medication containing sulfamethoxazole and trimethoprim, used to treat various bacterial infections.