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An automotive repair shop has determined that the average service time on an automobile is 130 minutes with a standard deviation of 26 minutes. A random sample of 40 automotive services is selected.
a.Compute the standard error of the mean.
b.What is the probability that the sample of 40 automotive services will have a mean service time greater than 136 minutes?
c.Assume the population consists of 400 automotive services. Determine the standard error of the mean.
Short Tempered
A tendency to become angry quickly or easily.
Uncooperative
Displaying reluctance or refusal to work or act together with others in a cooperative or collaborative manner.
Agreeableness
A personality trait that reflects the extent to which a person is cooperative, polite, friendly, and flexible versus cold, contentious, and confrontational.
Intellectual Openness
A willingness to consider new ideas, engage in critical thinking, and adopt novel approaches in learning and problem-solving.
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