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Chinnab Chinnab
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6 years ago
Frenzied cruise vacationers besiege Tatiana, their excursion coordinator, at the Port of Cozumel when they realize that all water excursions have been cancelled for no reason in particular.
 
  It takes her 2.5 minutes to find the customers an alternative excursion activity and customers cluster around her at the rate of 20 per hour. Calculate system performance characteristics if service times are exponentially distributed and the arrivals follow a Poisson distribution.
  What will be an ideal response?
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#1
6 years ago
Answer:
Utilization = = = 0.83

CW = = = 4.17

CS = CW + = 4.17 + = 5

TW = = = 0.21 hours = 12.5 minutes

TS = TW + = 12.5 minutes + 3 minutes = 15 minutes
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