If the standard deviation of hole diameter exceeds 0.01 millimeters, there is an unacceptably high probability that the rivet will not fit. Suppose that n= 15 and s = 0.008 millimeter. Is there strong evidence to indicate that the standard deviation of hole diameter exceeds 0.01 millimeter? Use a = = 2 0.01 O a. Test on Mean, Variance Known O b. Test on Variance and Standard Deviation O c. Test on Population Proportion O d. Test on Mean, Variance Unknown

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