A metal bolt is to be inserted into a hole. A random sample of n= 16 parts is selected, and the hole diameter is measurcd. The sample standard deviation of the hole diameter measurements is s = 0.008 millimeters. Construct a 95% lower confidence bound on the variance. O .0.00619677 sG -0.00003075 <2 c. None of the above d: 0.00003840 so2

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