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

question 74

Multiple Choice

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 is less than $50,000?

• A)0.2514
• B)0.3707
• C)0.6293
• D)0.7486

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Definitions:

Aggression

Behaviors or attitudes that may be directed towards others or oneself, embodying actions of anger, hostility, or violence.

Commitment

A state or quality of being dedicated to a cause, activity, or relationship, often implying a sense of obligation or responsibility.

Control

The ability to shape or control the actions of others and the direction of events.

Externals

People who perceive the ability to attain reinforcements as being largely outside themselves.