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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.What is the probability that the average salary of four randomly selected electricians is less than $50,000?
Data Repository
A data repository is a central location in which data is stored and managed, typically used to aggregate, organize, and make data accessible for analysis and reporting.
Sensitivity Analysis
A method used to determine how different values of an independent variable affect a particular dependent variable under a given set of assumptions.
"What If"
A speculative question or scenario analysis technique used in planning and decision-making to explore potential outcomes.
Buying Behavior
The decision-making process and actions of consumers that precede the purchase of goods or services.
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