Suppose that, on average, electricians earn approximately = $54,000 per year in the United States. Assume

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?

Group of answer choices

0.3707

0.7486

0.6293

0.2514

Answer rating: 100% (QA)

06293 EXPLANATION This question is asking for the probability that the sample mean is less than ... View the full answer