The Manager of a Computer Help Desk Operation Has Collected

question 83

Multiple Choice

The manager of a computer help desk operation has collected enough data to conclude that the distribution of time per call is normally distributed with a mean equal to 8.21 minutes and a standard deviation of 2.14 minutes. The manager has decided to have a signal system attached to the phone so that after a certain period of time, a sound will occur on her employees' phone if she exceeds the time limit. The manager wants to set the time limit at a level such that it will sound on only 8 percent of all calls. The time limit should be:

• A) 10.35 minutes.
• B) approximately 5.19 minutes.
• C) about 14.58 minutes.
• D) about 11.23 minutes.

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Definitions:

Pulmonary Trunk

A major artery that conducts blood from the right ventricle of the heart to the lungs for oxygenation.

Aorta

The largest artery in the body, originating from the left ventricle of the heart, and supplying oxygenated blood to the circulatory system.

External Iliac Artery

An artery that supplies blood to the lower limbs, originating from the common iliac artery.

Femoral Artery

A major artery in the thigh that provides oxygenated blood to the lower part of the body.