Question: Assume that a process has a company-established specification for variation set at 4minutes. Assume that a well-designed, well-implemented random sample of 150 process time measurements

Assume that a process has a company-established specification for variation set at 4minutes. Assume that a well-designed, well-implemented random sample of 150 process time measurements was collected. The mean time was 97.3 minutes, with a standard deviation of 4.77 minutes. Using the company established significance level of .07, is the process probably operating within its company-established specification?

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