Sunday

December 21, 2014

December 21, 2014

Posted by **mark** on Tuesday, June 7, 2011 at 8:10pm.

(A) what is the average time a car is in the system?

(b) what is the average number of cars in the system?

(c) what is the average time cars spend waiting to receive service?

(d) what is the average number of cars in line behind the customer receiving service?

(e) what is the probability that there are no cars at the window?

(f) what percentage of the time is the postal clerk busy?

(g) what is the probability that there are exactly 2 cars in the system?

**Answer this Question**

**Related Questions**

Statistics - Service times for customers at a post office follow some right-...

Operation Management - Customers arrive at service window every 3.6 minutes(...

Operations Management - Fresh Sub hires three workers during the peak hours. ...

operations management/supply chain - Suppose you are managing a service system ...

Math - Statistics - Suppose that the mean number of customers who arrive at the ...

math-probability - uppose that cars arrive at a traffic light according to a ...

Statistics - 2. The arrivals of customers at a drive-in banking window are ...

math - Martin rides to Cambridge 30 miles away from home at the average rate of ...

Statistics - It takes the bus an average of 20 minutes to arrive at a certain ...

statistics - A history professor finds that when he schedules an office hour at ...