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Suppose That,on Average,electricians Earn Approximately Dollars Per Year in the United

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Suppose that,on average,electricians earn approximately Suppose that,on average,electricians earn approximately dollars per year in the United States.Assume that the distribution for electrician's yearly earnings is normally distributed and that the standard deviation is dollars. Refer to Exhibit 7-2.What is the probability that the average salary of four randomly selected electricians exceeds $60,000? A) 0.1587 B) 0.3085 C) 0.6915 D) 0.8413 dollars per year in the United States.Assume that the distribution for electrician's yearly earnings is normally distributed and that the standard deviation is Suppose that,on average,electricians earn approximately dollars per year in the United States.Assume that the distribution for electrician's yearly earnings is normally distributed and that the standard deviation is dollars. Refer to Exhibit 7-2.What is the probability that the average salary of four randomly selected electricians exceeds $60,000? A) 0.1587 B) 0.3085 C) 0.6915 D) 0.8413 dollars. Refer to Exhibit 7-2.What is the probability that the average salary of four randomly selected electricians exceeds $60,000?


A) 0.1587
B) 0.3085
C) 0.6915
D) 0.8413

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