Use the Information Below to Answer the Following Question(s)

question 47

Multiple Choice

Use the information below to answer the following question(s) .
A steady stream of eager fresh-faced students waits in line to register for classes before the start of fall semester classes.Students arrive at the rate of 10 per hour and it takes the single clerk on duty an average of 3 minutes to check their student status,and register them for classes.The service time is exponentially distributed.
-What is the average time (measured in minutes) that students have to wait in line?

• A)1
• B)3
• C)5
• D)10

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Definitions:

City Council

An elected or appointed body that governs a city, town, municipality, or local government area, making decisions on local laws, policies, and budgets.

Republicans

A member or supporter of the Republican Party, one of the two major political parties in the United States.

Democrats

A member or supporter of the Democratic Party, one of the two major contemporary political parties in the United States.

Independent

A term in statistics that implies no relationship between two variables, such that the occurrence of one does not affect the probability of occurrence of the other.