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

question 57

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.Assuming that a new battery has just been installed,what is the probability that the calculator will perform reliably during a one-hour exam?

• A)0.800
• B)0.855
• C)0.900
• D)0.950
• E)1.850

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Definitions:

Income Tax Loss

A situation where tax-deductible expenses exceed taxable revenues, potentially reducing taxable income in future periods through loss carryforwards.

Tax Loss Carryforward

A tax provision that allows a company to use its current loss towards future profits to reduce taxable income.

Taxable Income

The amount of income subject to taxation, after all deductions and allowances have been considered, according to the tax laws.

Reportable Segments

Portions of a business that can be separately identified by products and services or by geographical areas, providing relevant information to evaluate its financial statements.