Suppose That, on Average, Electricians Earn Approximately µ = $54,000

question 104

Multiple Choice

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?

• A) 0.5889
• B) 0.7486
• C) 0.8413
• D) 0.9048

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The comparative and analytical study of cultures; a branch of anthropology that examines the cultural variations among humans.

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The study of human cultures through the recovery and analysis of material remains and environmental data.

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