Exhibit 13.6 The Following Questions Refer to the Information and Output Below

question 13

Essay

Exhibit 13.6
The following questions refer to the information and output below.
The university computer lab has 10 computers which are constantly being used by students. Users need help from the one lab assistant fairly often. Students ask for help at a Poisson rate of with an average of 4 requests per hour for any one computer. The assistant answers questions as quickly as possible and the service time follows an exponential distribution with mean of 1 minute per help session. The following queuing analysis spreadsheet was developed from this information.
-Customers arrive at a store randomly, following a Poisson distribution at an average rate of 20 per hour. What is the probability of exactly 0, 1 2, and 3 arrivals in a 15 minute period?

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Definitions:

Immunity

The ability of an organism to resist a particular infection or toxin by the action of specific antibodies or sensitized white blood cells.

White Blood Cells

Cells of the immune system that are involved in protecting the body against both infectious disease and foreign invaders.

Fibrinogen

A blood plasma protein that's critical in blood clot formation, converting to fibrin in the clotting process.

Albumins

The smallest of the plasma proteins. Albumins are important for pulling water into the bloodstream to help maintain blood pressure.