A Company Conducted a Single Sample of a Time Study

question 1

Multiple Choice

A company conducted a single sample of a time study for 10 cycles of a job and if the average cycle time was 0.60 minutes,and the standard deviation of the sample was 0.075 minutes,for the company to be 95% confident that the average time computed for the time study is within 5% of the true average cycle time,the time study would need to encompass

• A)16 cycles
• B)20 cycles
• C)24 cycles
• D)32 cycles

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Definitions:

Trailer Bump

A phenomenon or physical feature on a trailer designed to absorb impact or facilitate smooth towing operations.

Ball Hitches

Ball hitches are a type of towing hitch that uses a ball-shaped connector to attach a trailer to a vehicle, providing a pivot point that allows for some movement between the trailer and the vehicle during towing.

Heavy-duty Ball Hitch

A robust towing hitch designed for connecting and towing large trailers or loads with a vehicle, characterized by its ball-and-socket connection.