Sunita's Job Is to Provide Technical Support to Computer Users

question 86

Multiple Choice

Sunita's job is to provide technical support to computer users.Suppose the arrival of calls can be modeled by a Poisson distribution with a mean of 4.9 calls per hour.What's the probability that in the next 30 minutes there will be 2 or more calls?

• A)0.7886
• B)0.2590
• C)0.0894
• D)0.7023
• E)0.9561

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Definitions:

Dentin

The hard but porous tissue located below the enamel and cementum of the teeth, which surrounds the core of dental pulp.

Crown

The visible part of a tooth above the gum line, or a type of dental restoration that fully covers or "caps" a damaged tooth.

Peristalsis

The involuntary contractions and relaxations of muscles in the digestive tract that move food along the digestive process.

Intravenous Nourishment

The delivery of nutrition directly into the bloodstream, bypassing the digestive system, often used for patients who cannot eat normally.