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

question 74

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% 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:

Product Costs

The total expenses incurred in creating a product, including materials, labor, and overhead costs.

Skimming Pricing

A market strategy involving setting high prices initially to "skim" revenue layers from the market, typically used for new and innovative products.

Unit Costs

The cost incurred to produce, store, or purchase one unit of an item.

Product Acceptance

The degree to which a new product is accepted and used by consumers, often influenced by its perceived value and satisfaction.