If the following jobs are sequenced according to the FCFS rule,then the mean tardiness (in days) for all jobs would be (assume zero for today's date) 
Definitions:
Alzheimer's Disease Risk
The likelihood or predisposition of developing Alzheimer's disease, influenced by genetic, environmental, and lifestyle factors.
Non-Hispanic White Americans
Individuals in the United States who do not identify as Hispanic or Latino and identify as having origins in any of the original peoples of Europe, North Africa, or the Middle East.
Genetic Factors
Hereditary influences passed through genes that can determine certain traits and predispositions, including susceptibility to various health conditions.
Alzheimer's Disease
A progressive neurological disorder that results in memory loss, cognitive decline, and personality changes, typically in older adults.
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