Business, 20.07.2021 02:10 user11883661

An engineer at Shoe factory, Inc. wants to calculate the cycle time (time to make one unit) for a process based on work sampling observations of workers performing the job. The standard deviation for the process times is 0.4 minutes, based on a small sample of observations which she took. If the engineer wants to be 95% confident of being in error by only 0.125 minutes, what sample size should she take?

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An engineer at Shoe factory, Inc. wants to calculate the cycle time (time to make one unit) for a pr...

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