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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 4 minutes. John Cox is a veteran who expects $12 per hour. His average service time is 2 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?
Lymphokines
Substances secreted by certain cells of the immune system that carry signals locally between cells, and thus have an effect on other cells or the immune response.
Helper T Cells
A type of white blood cell that plays a crucial role in the body's immune response by signaling other cells to fight infections.
Suppressor T Cells
A type of immune cell responsible for regulating and suppressing immune responses to maintain immune system balance and prevent autoimmune diseases.
Killer T Cells
A type of white blood cell that plays a crucial role in the immune response by killing infected cells and tumors.
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