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  3. problem 6 customers arrive randomly at a checkout counter at...

Question: problem 6 customers arrive randomly at a checkout counter at...

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Problem 6 Customers arrive randomly at a checkout counter at the average rate of 20 per hour. a) Determine the probability that the counter is idle b) What is the probability that at least two people are in line awaiting service? Problem7 Customers shopping at Sprouts Store are both from east and west of Norman. The ones from the east of Norman arrive at the rate of 5 per minute. The ones from the west of Norman arrive at the rate of 7 per minute. Arrivals are random. Determine the probability that the interarrival time for all customers is less than 5 seconds?

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