Exhibit 13-1
a Grocery Store Manager Would Like to Use $\lambda$

question 24

Short Answer

Exhibit 13-1
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 13-1.Assuming an exponential distribution with the parameter $\lambda$ you obtained in Part 1,what is the probability that a customer interarrival time will be less than 2 minutes?

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