Use the Empirical Rule to Describe Data That Are Bell $95 \%$

question 108

Multiple Choice

Use the Empirical Rule to Describe Data That Are Bell Shaped
-A small computing center has found that the number of jobs submitted per day to its computers has a distribution that is approximately bell shaped, with a mean of 91 jobs and a standard deviation of 12 . Where do we expect most (approximately $95 \%$ ) of the distribution to fall?

• A) between 67 and 115 jobs per day
• B) between 79 and 103 jobs per day
• C) between 55 and 127 jobs per day
• D) between 67 and 127 jobs per day

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Definitions:

Serosa

A smooth membrane consisting of a thin layer of cells that secrete serous fluid, lining the outer surface of internal organs and body cavities.

Mucosa

The moist, inner lining of some organs and body cavities, such as the nose, mouth, lungs, and stomach, involved in absorption and secretion.

Gallbladder

A small organ located beneath the liver, storing and concentrating bile produced by the liver before releasing it into the small intestine.

Pharynx

A muscular tube that functions as the part of the digestive and respiratory systems by carrying air from the nose to the larynx and food from the mouth to the esophagus.