How Many Cycles Should Be Used in a Time Study

question 15

Multiple Choice

How many cycles should be used in a time study in order to be 98% confident that the time-study average job cycle time is within 4% of the true average job cycle time.Assume that the average job cycle time was 4.25 minutes and the standard deviation of the sample was 0.65 minutes.

• A)55 cycles
• B)70 cycles
• C)80 cycles
• D)95 cycles

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Definitions:

Payment Plan

An agreement between a borrower and a lender that outlines the terms for repaying a loan, typically including the loan amount, interest rate, and repayment schedule.

Marginal Benefit

The additional satisfaction or utility that a person receives from consuming an extra unit of a good or service.

Pollution Permits

Government-issued licenses allowing the holder to emit a certain amount of pollution; used as a regulatory tool to control and reduce environmental damage.

Pollution Levels

The concentration of pollutants in the environment, affecting air, water, and soil quality.