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Trucks arrive at the loading dock of a wholesale grocer at the rate of 1 . 2 per hour. A single crew consisting of two
Trucks arrive at the loading dock of a wholesale grocer at the rate of per hour. A single crew consisting of two workers can load a truck in about minutes. Crew members receive $ per hour in wages and fringe benefits, and trucks and drivers reflect an hourly cost of $ The manager is thinking of adding another member to the crew. The service rate would then be trucks per hour. Assume rates are Poisson. Use Table and Table a Would the third crew member be economical? Round your intermediate and final answer to decimal places. Yes because, the total cost isb. Would a fourth member be justifiable if the resulting service capacity were trucks per hour? Round your intermediate and final answer to decimal places. os Yes because the total cost is
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