A barber serves one client at a time. Three seats are available in the shop for waiting customers. If a customer comes while the places are full, he leaves the shop to go to another barber. Arrivals take place according to a Poisson distribution with an average of 4 per hour. The haircut time is exponential with an average of 15 minutes. What is the probability that customers will go elsewhere because the shop is full?

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solution To calculate the probability of customers going elsewhere due to a full shop we can analyze ... View the full answer