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

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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. 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 1] Refer to Exhibit 13-1.Is it reasonable to assume exponentially distributed interarrival times for the grocery store customers? If so,what is \lambda ?
-[Part 1] Refer to Exhibit 13-1.Is it reasonable to assume exponentially distributed interarrival times for the grocery store customers? If so,what is λ\lambda ?

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