Use the Following to Answer the Question(s) Below

question 68

Multiple Choice

Use the following to answer the question(s) below.
IT staff for a large corporation has developed the following probability distribution for the number of calls requiring troubleshooting problems per day.

-What is the probability that the sample mean will be less than 7.5 minutes?

• A) 0.3944
• B) 0.1056
• C) 0.2114
• D) 0.4013
• E) 0.8944

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Definitions:

Thoracic Wall

The bony and muscular structures forming the chest cavity that protect thoracic organs and assist in breathing.

Subclavian Vein

A major vein located under the clavicle that drains blood from the upper extremities back to the heart.

Internal Jugular

A major vein in the neck, carrying blood from the head, brain, face, and neck back to the heart.

Posterior Intercostal

Pertaining to the muscles and arteries located between the ribs at the back side of the body, assisting in the mechanical aspect of breathing.