(Online Retailer) Customers send e-mails to a help desk of an online retailer every 2 minutes, on… 1 answer below »


(Online Retailer) Customers despatch e-mails to a aid desk of an online retailer every 2 minutes, on middle, and the type gap of the interarrival interval is so 2 minutes. The online retailer has three employees obedient e-mails. It takes on middle 4 minutes to transcribe a apology e-mail. The type gap of the processing intervals is 2 minutes.

a. Estimate the middle customer halt anteriorly life served. [9.5]

b. How abundant e-mails would there be, on middle, that feel been submitted to the online retailer but not yet answered? [9.5]