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(06 Marks) C. In a hair dress saloon with one barber, the customer arrived follows Poisson distribution at an average rate of one in every

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(06 Marks) C. In a hair dress saloon with one barber, the customer arrived follows Poisson distribution at an average rate of one in every 45 minutes. The service time is exponentially distributed with a mean of 30 minutes. Find : (i) Average number of customer in the saloon (ii) Average waiting time of customer before service (iii) Average idle time of barber. (06 Marks)

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