Employees must complete new machine set-ups at a local manufacturing plant within 30 minutes. A Normal model can describ

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answerhappygod
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Employees must complete new machine set-ups at a local manufacturing plant within 30 minutes. A Normal model can describ

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Employees must complete new machine set-ups at a localmanufacturing plant within 30 minutes. A Normal model can describenew machine set-up times with a mean of 22 minutes and a standarddeviation of four minutes.
a. What percent of new machine set-ups take more than 30minutes?
b. The typical worker needs five minutes to adjust to theirsurroundings before beginning their duties. What percent of newmachine set-ups are completed within 25 minutes to allow forthis?
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