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?

Yes

No

There is insufficient information to answer this question

All of the choices above

None of the choices