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Mathematics, 07.05.2021 23:10 ummsumaiyah3583

Customers arrive at the Shortstop convenience store at a rate of 20 per hour. When two or fewer customers are present in the checkout line, a single clerk works and the service time is 3 min. However, when there are three or more customers are present, an assistant comes over to bag up the groceries and reduces the service time to 2 min. Assuming the service times are exponentially distributed, find the stationary distribution.

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