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Business, 16.03.2020 23:18 xelynncaldera
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 dollars. What is the probability that the average salary of four randomly selected electricians is more than $50,000 but less than $60,000?
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Suppose that, on average, electricians earn approximately µ = $54,000 per year in the United States....
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