Exhibit 12-1
A grocery store manager would like to use an analytical queueing model to study the lines of customers that form in front of the checkout stations in the store. During a period of time when business is steady, several store employees have gathered data on customer interarrival times, which are shown below.

-[Part 2] Refer to Exhibit 12-1.Assuming an exponential distribution with the parameter λ you obtained in Part 1,what is the probability that a customer interarrival time will be less than 2 minutes

Question

Exhibit 12-1
A grocery store manager would like to use an analytical queueing model to study the lines of customers that form in front of the checkout stations in the store. During a period of time when business is steady, several store employees have gathered data on customer interarrival times, which are shown below.
 
-[Part 2] Refer to Exhibit 12-1.Assuming an exponential distribution with the parameter λ you obtained in Part 1,what is the probability that a customer interarrival time will be less than 2 minutes

Quizplus · Accepted Answer

The Answer of Exhibit 12-1
A grocery store manager would like to use an analytical queueing model to study the lines of customers that form in front of the checkout stations in the store. During a period of time when business is steady, several store employees have gathered data on customer interarrival times, which are shown below.
 
-[Part 2] Refer to Exhibit 12-1.Assuming an exponential distribution with the parameter λ you obtained in Part 1,what is the probability that a customer interarrival time will be less than 2 minutes

Exhibit 12-1 A Grocery Store Manager Would Like to Use an Analytical