Suppose the Life of a Particular Brand of Laptop Battery

question 41

Multiple Choice

Suppose the life of a particular brand of laptop battery is normally distributed with a mean of 8 hours and a standard deviation of 0.6 hours.What is the probability that the battery will last more than 9 hours before running out of power?

• A) 0.0475
• B) 0.4525
• C) 0.9525
• D) 1.6667

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Definitions:

Extrinsic Rewards

Rewards that come from outside an individual, such as money, praise, or awards, which motivate behavior.

Self-Efficacy

A person’s belief that he or she is capable of producing desired results, such as mastering new skills and reaching goals.

Performance Goals

Objectives aimed at demonstrating competence or achieving a specific standard of excellence in a task.

Approach Goals

Objectives that focus on achieving a positive outcome or moving towards a desirable object or event.