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Service service service facility facility channel 3

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Unformatted text preview: ures after service Service Service facility facility Channel 3 Multi-channel, single-phase system D – 14 Queuing System Designs Some college registrations Arrivals Phase 2 Phase service facility facility Channel 1 Phase 1 Phase service facility facility Channel 2 Queue Phase 1 Phase service facility facility Channel 1 Phase 2 Phase service facility facility Channel 2 Departures after service Multi-channel, multiphase system D – 15 Probability that service time ≥ 1 Negative Exponential Negative Distribution Distribution 1.0 – Probability that service time is greater than t = e-µt for t ≥ 1 Probability µ = Average service rate e = 2.7183 0.9 – 0.8 – 0.7 – Average service rate (µ) = 3 customers per hour ⇒ Average service time = 20 minutes per customer Average 0.6 – 0.5 – 0.4 – 0.3 – Average service rate (µ) = Average 1 customer per hour customer 0.2 – 0.1 – | | | | | | | | | | | | 0.0 |– 0.00 0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00 2.25 2.50 2.75 3.00 Time t (hours...
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This document was uploaded on 02/19/2014.

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