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A company has tool cribs where workmen draw parts.Two men have applied for the position of distributing parts to the workmen.George Fuller is fresh out of trade school and expects a $6 per hour salary.His average service time is four minutes.John Cox is a veteran who expects $12 per hour.His average service time is two minutes.A workman's time is figured at $10 per hour.Workmen arrive to draw parts at an average rate of 12 per hour.
a.What is the average waiting time a workman would spend in the system under each applicant?
b.Which applicant should be hired?
Mollusks
A large phylum of invertebrate animals, including species like snails, clams, and squids, characterized by a soft body and, in many cases, a calcium carbonate shell.
Echinoderms
Invertebrates with a water–vascular system, and hardened plates and spines in the skin or body.
Annelids
A phylum of invertebrate worms characterized by segmented bodies and often found in moist environments; includes earthworms, leeches, and polychaetes.
Arthropods
represent the largest phylum of animals, including insects, arachnids, and crustaceans, characterized by exoskeletons and segmented bodies.
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