Saturday
September 20, 2014

Homework Help: math

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

automoniles arrive at the drive-through windom at a post office at the rate of 4 every 10 minutes. the average service time is 2 minutes. the poisson distributimes are exponentially distributed.

(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

First Name:
School Subject:
Answer:

Related Questions

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 - A history professor finds that when he schedules an office hour at ...
Math - Develop two-null hypothesis tests to ascertain if there are any ...
Business - You have been retained to analyze how many check-in agents should be ...

Search
Members