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     EduGorilla 
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    At a workstation of an assembly line, semi-finished components arrive at an average rate of 2 per minute according to the Poisson distribution. Two alternative machines P and Q are available at this workstation for the specific operation. Whenever a component is idle awaiting the machine to get free, the cost is estimated at Rs. 18 per minute. Using the concept of single channel queue system and considering all relevant costs, which machine would be the best for this workstation?

    Machine Fixed costs
    (`/min)
    Variable costs
    (`/min)
    Processing rate
    (units/min)
    P 36 18 3
    Q 90 8 12

    Options :-

    1. Q
    2. P
    3. Either P or Q
    4. None of the above
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