Solve the Problem. -Suppose That Replacement Times for Washing Machines Are Normally Distributed

question 41

Multiple Choice

Solve the problem.
-Suppose that replacement times for washing machines are normally distributed with a mean of 9.3 years and a standard deviation of 2 years. Find the replacement time that separates the top 18% from the bottom 82%.

• A)11.1 years
• B)9.7 years
• C)10.6 years
• D)7.5 years

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Definitions:

Chemicals

Chemicals are substances composed of matter, either compounds or elements, that have constant chemical composition and characteristic properties.

Conscientious

A personality trait characterized by thoroughness, carefulness, and the desire to do a task well, often associated with a strong sense of duty.

Extraverted

A personality trait marked by an orientation of one's interests and energies toward the outer world of people and social interactions rather than the inner world of subjective experience.

Organizational Citizenship Behaviour

A concept referring to voluntary behaviors employees perform to help others and benefit the organization, beyond their normal job duties.