The Lifetime of a Certain Type of Automobile Tire (In $\mu = 40$

question 22

Multiple Choice

The lifetime of a certain type of automobile tire (in thousands of miles) is normally distributed with mean $\mu = 40$ and standard deviation $\sigma = 7$ . What proportion of tires have lifetimes of less than 42 Thousand miles?

• A) 0.3070
• B) 0.6930
• C) 0.3859
• D) 0.6141

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Definitions:

Job Characteristics

Attributes of a job that affect an employee's attitudes and behaviors, such as task variety, autonomy, and feedback.

Hindering Job Demands

Tasks or responsibilities at work that can impede an individual's ability to achieve their goals or perform at their best.

Physical

Relating to the body or material things, as opposed to the mind or spirit.

Cognitive

Relating to the mental action or process of acquiring knowledge and understanding through thought, experience, and the senses.