Estimate the average time a car is in the system

Assignment Help Operation Management

Reference no: EM13100764

Automobiles arrive at a drive through window at a post office at the rate of 4 every 10 mins. The average service time is 2 mins. The poisson distribution is appropriate for the arrival rate and service times are exponentially distributed.
A. what is the average time a car is in the system
B. What is the average # of cars in the system
C. what is the average # of cars in the system behind the customers recieving service
D. what is the % of time that the postal clerk is busy
E. what is the probability of 2 or more customers in the system

Reference no: EM13100764

Questions Cloud

Average price of the textbook sold : "Determine if the statement is a typical null hypothesis (Ho) or alternative hypothesis (Ha). The average price of a particular statistics textbook over the Internet is the same as the average price of the textbook sold at all bookstores in a coll..

How many electrons are added for every 109 electrons : (a) Calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 12.0 g. Silver has 47 electrons per atom, and its molar mass is 107.87 g/mole. (b) Imagine adding electrons to the pin until the negative charge h..

How far will it fall during the first 4t seconds : On Mars, where air resistance is negligible, an astronaut drops a rock from a cliff and notes that the rock falls about d meters during the first t seconds of its fall. Assuming the rock does not hit the ground first, how far will it fall during t..

Issue affects cross country income : Discuss how the particular issue affects cross country income differences and/or growth rates. You should use a particular book or journal article on a topic related to course material and real data to improve your research paper and presentation.

Estimate the average time a car is in the system : Automobiles arrive at a drive through window at a post office at the rate of 4 every 10 mins. The average service time is 2 mins.

What is the direction of the cars average acceleration : a car traveling due east at 20 m/s reverses its direction over a period of 10 seconds so that it is traveling due west at 20 m/s. What is the direction of the car's average acceleration over this period?

Calculate the average hourly output : A processor makes two components, A and B, which are then packaged together as the final product. The processor can do only one component at a time: either it can make As or it can make Bs.

Nominal coverage rate for ci : Students in the industrial statistics lab at ASU calculate a lot of confidence intervals on mu. Suppose all these CIs are independent of each other.

Question based on decision modeling : A bank is retrofitting part of its value to hold safety deposit boxes. It plans to build safety deposit boxes approximately 6 feet high along the walls on both sides of a 20-foot corridor.

User Account

All Pages