ppose in a hairstyling shop every 30 minutes one customer will arrive, and one ves every 20 minutes after getting service. Suppose there is (only) a hairdresser 1 there are two waiting chairs, meaning that no more than 3 customer can be esent in this a hairstyling shop. Calculate (using Table 1), how long a customer .ldunit? WL

Computer Networking: A Top-Down Approach (7th Edition)
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Author:James Kurose, Keith Ross
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4. Suppose in a hairstyling shop every 30 minutes one customer will arrive, and one
leaves every 20 minutes after getting service. Suppose there is (only) a hairdresser
and there are two waiting chairs, meaning that no more than 3 customer can be
present in this a hairstyling shop. Calculate (using Table 1), how long a customer
should wait? What is he in table 1.
(N = System Capacity, a = x/µ, p = à/(cp)
Po
PN
Poap
Lo
el(1-p)
, A(l - PN)
he
wo +
Table 1: Parameters for M/M/c/N queuing system
Transcribed Image Text:4. Suppose in a hairstyling shop every 30 minutes one customer will arrive, and one leaves every 20 minutes after getting service. Suppose there is (only) a hairdresser and there are two waiting chairs, meaning that no more than 3 customer can be present in this a hairstyling shop. Calculate (using Table 1), how long a customer should wait? What is he in table 1. (N = System Capacity, a = x/µ, p = à/(cp) Po PN Poap Lo el(1-p) , A(l - PN) he wo + Table 1: Parameters for M/M/c/N queuing system
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