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Suppose that, on average, electricians earn approximately µ = $54,000 per year in the United States. Assume that the distribution for electricians' yearly earnings is normally distributed and that the standard deviation is σ = $12,000. Given a sample of four electricians, what is the standard deviation for the sampling distribution of the sample mean?
UPS
United Parcel Service, a global package delivery and supply chain management company known for its shipping, freight, and logistics services.
FedEx
An international courier company from America, celebrated for its expedited shipping service and for introducing a tracking system that allows for live updates of a parcel's location.
Aggregated Inventories
The combined total of all types of inventory within an organization or across a supply chain.
Finished-Goods Inventories
Stock of completed products ready for sale or shipment to customers, held by a company at any given time.
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