Customers Arrive at a Ticket Counter at the Rate of 50

question 70

Multiple Choice

Customers arrive at a ticket counter at the rate of 50 customers per hour, according to a Poisson distribution. There are three ticket agents. Customers select the first available agent from one line. Each agent can process 20 customers per hour with exponential service times.
-Use the information in Scenario C.4.What is the average time spent in the system?

• A) Fewer than or equal to 6.5 minutes
• B) Greater than 6.5 minutes but fewer than or equal to 7.5 minutes
• C) Greater than 7.5 minutes but fewer than or equal to 8.5 minutes
• D) Greater than 8.5 minutes

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Definitions:

Structurally Isomeric

Pertains to molecules that have the same molecular formula but feature different physical structures.

Amines

Organic compounds and functional groups containing a basic nitrogen atom with a lone pair, deriving from ammonia by replacing one or more hydrogen atoms with organic groups.

Soluble

Capable of being dissolved in a solvent, such as a liquid, especially water.

Water

A polar inorganic compound that is at room temperature a tasteless and odorless liquid, which is nearly colorless apart from an inherent hint of blue.