A P/OM Student Has Purchased a Four-Function Calculator for Use

question 12

Multiple Choice

A P/OM student has purchased a four-function calculator for use during exams.This calculator is perfectly reliable except for two parts: its microchip,which has a failure rate of one in every twenty hours of operation; and its battery,which has a failure rate of one in every ten hours of operation.Also,on average the battery will fail in five hours,with a standard deviation of 30 minutes.What service life should the manufacturer specify in order to have a .8413 probability that a battery will not fail within that amount of time?

• A)3.5 hours
• B)4 hours
• C)4.5 hours
• D)5 hours
• E)5.5 hours

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Definitions:

Distribution

The process of making a product or service available for the consumer or business user who needs it, including storage, transport, and delivery stages.

Stages

The distinct phases or periods in a process or lifecycle, each with its own characteristics and requirements.

Product Availability

Product availability refers to the degree to which a product can be purchased or is in stock at a given time.

Customer Order

A request made by a customer for a company’s goods or services, specifying type, quantity, and terms of sale.