Read the article The Problem with Being Global (Links to anexternal site.)Links to an external site. and answer thefollowing:
A quick-service restaurant has a single drive-through lanewith one worker at the window. It is assumed that the worker canprocess an order every 2 minutes on average and that theprocessing (service) times are exponentially distributed.Customers arrive at the drive-through at the rate of 18 perhour.
a. The worker at the drive-thru is busynothing _______% of time. (Enter your response rounded to twodecimal places.)
b. The average number of cars waiting at thedrive-thru is ________. (Enter your response rounded to twodecimal places.)
c. The number of cars, on average, in thedrive-thru system is _________. (Enter your response rounded totwo decimal places.)
d. The average time a car spends waiting inthe drive-thru is __________ minute(s). (Enter your responserounded to one decimal place.)
e. The time, on average, spent in thedrive-thru system is __________ minute(s). (Enter yourresponse rounded to one decimal place.)
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