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Mathematics, 06.05.2020 20:59 sarahelisabeth444

A single-server waiting line system has an arrival pattern characterized by a Poisson distribution with 3 customers per hour. The average service time is 12 minutes. The service times are distributed according to the negative exponential distribution.

The probability that the system is idle is:

A. 0

B. 0.20

C. 0.40

D. 0.60

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