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What percent of new machine set ups

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At a local manufacturing plant, employees must complete new machine set ups within 30 minutes. New machine set-up times can be described by a normal model with a mean of 22 minutes and a standard deviation of four minutes.

The typical worker needs five minutes to adjust to their surroundings before beginning their duties. What percent of new machine set ups are completed in less than 25 minutes?

A.Approximately 68%

B.Approximately 77.3%

C.Approximately 22.7%

D.Approximately 25%

Reference no: EM131856597

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