An Accelerated Life Test on a Large Number of Type-D

question 71

Multiple Choice

An accelerated life test on a large number of type-D alkaline batteries revealed that the mean life for a particular use before they failed is 19.0 hours. The distribution of the lives approximated a normal distribution. The standard deviation of the distribution was 1.2 hours. About 95.44 percent of the batteries failed between what two values?

• A) 8.9 and 18.9
• B) 12.2 and 14.2
• C) 14.1 and 22.1
• D) 16.6 and 21.4

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Definitions:

Economic Discrimination

Unfair treatment of individuals based on economic factors, such as income, wealth, or consumption patterns.

Diagram

A diagram is a simplified drawing showing the appearance, structure, or workings of something; used extensively to explain economic theories and models.

Crowding Model

A theory suggesting that public sector spending reduces the amount of resources available for the private sector.

Occupational Segregation

The division of labor based on demographic characteristics, such as gender, ethnicity, or race, leading to a concentration of individuals in certain occupations.