Sure Stone Tire Company Has Established That the Useful Life

question 72

Multiple Choice

Sure Stone Tire Company has established that the useful life of a particular brand of its automobile tires is normally distributed with a mean of 40,000 kilometres and a standard deviation of 5000 kilometres.What is the probability that a randomly selected tire of this brand has a life of at least 50,000 kilometres?

• A)0.0228
• B)0.9772
• C)0.5000
• D)0.4772
• E)1.0000

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Definitions:

Smiles

Facial expressions formed primarily by flexing the muscles at the sides of the mouth, often expressing happiness or pleasure.

Underlying Emotion

The fundamental feeling or affect that lies beneath an individual's immediate emotional response or expression.

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The initial stage of the body's response to stress, activating the fight or flight response and preparing the body to face a threat.

Parasympathetic Division

A branch of the autonomic nervous system responsible for conserving energy and promoting restful states.