An Industrial Engineer Is Conducting a Time Study for a Work

question 53

Multiple Choice

An industrial engineer is conducting a time study for a work element.The select time is 4.5 minutes,and the sample standard deviation of the observed time is 20 seconds.What is the appropriate sample size if the estimate is to be 5 percent of the true average time 95 percent of the time?

• A)fewer than or equal to seven
• B)greater than seven but fewer than or equal to eight
• C)greater than eight but fewer than or equal to nine
• D)greater than nine

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Definitions:

Opportunity Costs

The cost of forgoing the next best alternative when making a decision or choosing to do one thing over another.

Tax Rebate

A refund on taxes when the tax liability is less than the taxes paid.

Digital Camera

An electronic device that captures and stores photographs in digital form, allowing them to be viewed, transferred, or printed.

Comparative Advantage

The capacity of a party to generate a product or service with a smaller opportunity cost compared to its rivals.