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Management at a large retail chain is concerned about the possibility of drug abuse by people who work there. They decide
to check on the extent of the problem by having a random sample of the employees undergo a drug test. Several plans for
choosing the sample are proposed.
a. Randomly select ten stores around the country and survey all the employees that work at those stores.
b. Choose the fourth person that arrives to work for each shift.
c. There are four employee classifications: supervisors, fulltime clerks, part-time clerks, and maintenance staff. Randomly
select ten people from each category.
d. Each employee has a three-digit identification number. Randomly choose 40 numbers.
-Listed at the right are the names of twenty full-time clerks on the retail staff. Use the
random numbers listed below to select four of them to be in your sample. Clearly explain
your method.
18192953180297501191
29958092758914161909
Celebrities
Individuals who have attained a high level of fame and public recognition, often through entertainment, sports, or other public arenas.
Dominant Source Revenue
The primary method or source through which an organization or business generates most of its income.
Advertisers
Individuals or companies that promote their products, services, or brands through various media channels to attract and engage consumers.
Pipes Component
Essential parts of a system's infrastructure that facilitate the flow or transportation of resources, information, or services.
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