Suppose the Life of a Particular Brand of Laptop Battery

question 65

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) 0.0478
• B) 0.4525
• C) 0.9525
• D) 1.6667

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Definitions:

Direct Labor

Wages and salaries for employees who are directly involved in producing goods or providing services.

Cost of Tracie's Direct Labor

The total expense associated with the work performed by Tracie directly involved in producing goods or services.

Variable Overhead Rate

This rate reflects the cost of variable overhead allocated to each unit of production, based on an activity such as direct labor hours.

Direct Labor-Hours

The total hours worked by employees directly involved in the manufacturing process or providing a service.