Customers arrive at a suburban ticket outlet at the rate of 14 per hour on Monday mornings (exponential interarrival times). Selling the tickets and providing general information takes an average of 3 minutes per customer, and varies exponentially. There is 1 ticket agent on duty on Mondays.
How many minutes does the average customer spend in the system?
A) 7.
B) 8.
C) 9.
D) 10.
E) 11.

Question

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The Answer of Customers arrive at a suburban ticket outlet at the rate of 14 per hour on Monday mornings (exponential interarrival times). Selling the tickets and providing general information takes an average of 3 minutes per customer, and varies exponentially. There is 1 ticket agent on duty on Mondays.
How many minutes does the average customer spend in the system?
A) 7.
B) 8.
C) 9.
D) 10.
E) 11.

Customers Arrive at a Suburban Ticket Outlet at the Rate