Question: In a coffee shop, the customer arrival process is Poisson distributed with a rate of 3 customers/minute and the service time by each server is

In a coffee shop, the customer arrival process is

In a coffee shop, the customer arrival process is Poisson distributed with a rate of 3 customers/minute and the service time by each server is exponentially distributed with a mean of 20 seconds. There are two servers in the shop serving the customers. Consider this as M/M/2 system. (a) What are (i) the offered load (A) to the system and (b) the utilization (p) of the system? (b) What percentage of the customers do not get immediate service (i.e., the customer has to wait in the queue before being served)? (c) Calculate the average waiting+service time for customers? (d) Realizing that the two-server system incurs longer delay for customers, the manager wants to reduce the blocking probability to 2%. Determine how many servers should be added to meet this requirement

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related General Management Questions!